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The crisp September evening air may be just the ticket to helping you stay awake this time of evening on your first day of lessons. Or just make you want to bundle up under the covers back in your dormitory. We won’t tell you how to feel.
Stepping into the Astronomy classroom, you may be a little perplexed to find any desks or chairs in the classroom and instead are greeted with what looks like a giant sandbox with glistening white sand. After another moment or two, you are swept off your feet by some unseen force that causing you to float up into the air - although you will need to do a little bit of air swimming to reach your seat. The initial feeling is similar to that of going down the first big dip in a roller coaster, but certainly not enough to make anyone nauseous enough for a little dinner show-and tell. Looking up, you see that the large semicircle of desks and chairs are all suspended in midair some 15 feet or so above the ground, rocking ever so slightly up and down thanks to the enchantments placed upon them. The blackboard, positioned across from the semicircle of desks, has the following instructions written upon it:
Quote:
Take out a quill and write your FULL name and year on the piece of parchment provided.
Once you have done so, give it a tap with your wand.
The parchment, enchanted by the professor himself, will turn into a sturdy wood name plaque when you do so. Don’t worry, it won’t go floating away from you but rather stick firmly to your desk.
Did you remember to use the lint roller on the small table outside of the classroom? It was there next to the sign that reads, "Not to be used as a brush for your hair" and has the signature of a former student in the bottom right corner. Also next to the sign is a small box containing an assortment of pips that you are meant to take and wear proudly on your robes for the duration of the lesson
SPOILER!!: pips
Professor Flamsteed is floating somewhere near the blackboard looking especially pleased with himself this evening. Surely that cannot be a good thing?
⌦Lesson Progression
▸ question 1 :: what significance do rocks have in astronomy?
▸ question 2 :: define asteroid meteoroids, meteors, or meteorites
▸ question 3 :: crater demonstration #1; what can you say about the importance of the mass of a meteorite in making a crater?
▸ question 4 :: crater demonstration #2; what can you say about the importance of the velocity of a meteorite in making a crater?
▸ main activity :: COSMIC HOUSE COLLISION!
▸ main activity update :: Planet #1 goes to GRYFFINDOR
▸ CLASS DISMISSED!
OOC: This is IC your character's FIRST Astronomy lesson of the term.
Class will officially begin in approximately 14 hours from the time of this post.
This lesson has officially started! Please do not announce your character arriving late and just pretend like they have been in class all along. You are free to jump in any time and should use the lesson progression links to keep up.
This was working out quite well for Daxton. Though he was already awfully bored with the discussion of rocks and the like, the fact that this was all science was keeping his brain engaged. He could simply sit quietly and work on his notes, and Airey Flamsteed seemed quite content with leaving him be, which Daxton appreciated all the more.
It was the mention of 'three new friends' that had the Ravenclaw looking up from his parchment again, at which point he saw... more rocks. Unsurprising, given the lesson topic, but... the names. Oh, the names.
Why did Airey Flamsteed love to name rocks so much? It reminded Daxton of the people he had heard of who named their cars or other inanimate, non-sentient objects. It made little sense to him; even most animals went throughout their entire lives without names, those in the wild and such, so... why did people love to name objects so much? Baffling.
Of course, none of this was said out loud, though if he had the capacity to talk, no doubt it would have been.
Daxton watched the rocks floating in the air, unnerved by their eyes and feeling as though all three of them were watching him. He felt better when gravity took hold (though there was a brief moment of panic where Daxton suddenly thought that what if Airey Flamsteed accidentally... or on purpose... lifted the spell on the entire class, Daxton included, and they all went plummeting to the floor) and soon the rocks were down on the ground and had formed three visible craters.
Looking down at the sand, Daxton considered things for a moment as Airey Flamsteed continued talking. He eyed each crater, and the rocks that sat in the middle of each one, then went back to his notes to write down his thoughts.
SPOILER!!: Notes
Daxton Prince
First Year
Ravenclaw
Astronomy
Rocks
Rocks can tell us about the history of the earth, either through the fossils they might consist of or contain, or their own physical structure, or what processes occurred to create a particular rock - elements, chemicals, pressure, atmospheric influence, etc... - the deeper you go, the older the rock, most probably, and therefore deep down towards the centre of the earth, there may be answers as to the planet's creation/formation/deeper history, which links back to Astronomy
Float in space, and help create planets, including Earth. Rocks obtained from the Moon support this claim, due to a 'tiny excess of a heavier variant of the element zinc' - research further
Entire ecosystems altered due to 'space rocks', eg: the asteroid that destroyed three quarters of life on earth, and ended numerous species and the Cretaceous age (65 million years ago, not 6.5 million) - left the 'Chicxulub crater' (though some argue that the crater it left is not the Chicxulub crater, despite evidence saying otherwise). This also lead to our existence in the long-term
^ Marked end of the Cretaceous period and beginning of the Paleogene period. Geologists and planetary geologists refer to this as the Cretaceous–Paleogene boundary (K–Pg boundary)
Fossils - self-explanatory
"We are all rocks" - ??????????????? no
^ Calcium found in rocks and makes up 3.63% of Earth's crust is also found in human teach. Iron that makes up 5% of Earth's crust is also found in human (and likely other creatures') blood. These elements were created in the interiors of collapsing stars. Humans "made of stars"
No
I am not a rock
Or a star
That does not even make sense. We consist of some of the same elements, we are "made of stars" in the most rudimental sense. That statement is misleading and confusing.
The four inner planets of the Solar System (closest to the Sun) are made of rock
Some markings on some rocks may be able to determine the age of the planet it comes from
Panspermia - the theory that rocks brought life to Earth (and likely other planets throughout the universe) by way of early organisms, proteins, water, etc... the "building blocks of life"; research in August 2015 supports this claim, showing "evidence that early comet impacts influenced amino acids to change into peptides"
The Moon is a rock, obviously - perhaps possible to compare Moon rocks to Earth rocks and discover the absolute truth of how the Moon came to be
Rocks are classed as baryonic matter
Astronomers measuring the density and composition of the universe using leftover radiation from the Big Bang discovered that the baryonic matter of which rocks belongs to makes up only 4.6% of it - research further
Rocks made of silicates, rock-forming minerals made of oxygen and silicone, more hydrogen atoms than silicone atoms in the Solar System, so much more hydrogen found than rock. Rock makes up the majority of inner terrestrial planets due to the fact that hydrogen and methane (and ammonia) cannot condense because of the thermal energy closer to the sun. The rocks (the planets' bodies) cannot hold onto these elements, therefore it is the silicates that end up forming the rocks of the inner planets, hence why there are no gaseous planets closer to the sun
Outer planets also have rock at the centre, just less
Rocks make good pets? Better than an animal I suppose...
Rocks made up of all the different minerals in the universe flew together at the beginning of time(? IF the beginning of time was the beginning of the universe, which I doubt) to create the planets
Rocks dating back to K–Pg boundary period indicate global catastrophe, ie: layer of grayish clay found in all of the K-T boundary era rocks, which contain unusually high concentrations of iridium. As this element is extremely rare in surface rocks on Earth, leading to the conclusion that the rocks were from elsewhere (indicating a large meteorite impact... rocks from space)
Basic Terminology
- asteroid = large rocky body, always found in space, orbits the Sun, but not a planet
- meteoroids = smaller than an asteroid, but still rocky bodies (rocks) or particles which orbit the Sun ("meteroid is in the void" except it's actually just in space which isn't officially a void because the space in our solar system does contain some particles)
- meteors = occurs when a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star" ("meteor above you soars")
- meteorites = "If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite." ("meteorite is in your sight" although I suspect any of them could be in your sight if you look hard enough and/or use a telescope)
What each of these is depends on where they are. You cannot find a meteoroid within the Earth's atmosphere, because it will either vaporise and burn up upon entry, at which point it would become a meteor, or it will hold together and thus become a meteorite, and hit earth. Asteroids generally stay in space, orbiting the Sun, but if it were to impact with the Earth (meaning it entered the Earth's atmosphere without vaporising) it would also become a meteorite, though generally when these impact with the Earth, they are still referred to as asteroids, which is confusing. Also, all four of these bodies are made up of minerals and rock, and all originated in space. Obviously. In fact, you could argue that everything originates in space, as that is exactly where we are, but that is besides the point.
Shiny black crust on meteorites as a result of going through the Earth's atmosphere
Meteorites potentially heavier than normal Earth rocks due to their contents
Meteors give off a glow due to burning up - down to friction and speed and obviously not magic, duh
Hoba meteorite - largest known, found in Nambia, 60 tonnes, discovered in the 1920s, believed to have impacted approximately 80,000 years ago
Asteroids can have their own moons (for example: the 19 mile wide Ida, which has a 1 mile wide moon, Dactyl)
Some asteroid considered to be dwarf planets - Ceres, Pluto, etc
None of these are to be confused with comets, which are something else entirely
"Meteor showers are Earth's way of getting clean" ??????????????? - research further
Meteorites can be as small as particles, specks of dust, grains of sand - as long as it is bigger than an atom, and smaller than an asteroid, it counts
Asteroids are considered 'minor planets' (essentially any astronomical object that orbits the Sun but is not one of the 'official', 'main' planets nor originally classified as a comet - includes asteroids, dwarf planets, and centaurs [obviously the celestial kind, not the mythical creature kind)
Pluto is a dwarf planet, technically an asteroid though some argue its status as a comet
Some people wish on what they think are 'falling/shooting stars', but actually they are just meteors. It makes no sense why people would make wishes on falling stars anyway, because they cannot grant them. Making wishes does not work.
Asteroids sometimes travel in groups
The largest known asteroid is as large as the state of Texas in the United States, and it is 582 miles across
Falling Rock Experiment
1. Which rock created the largest crater?
The largest rock ("Dwayne Johnson", apparently)
2. What is the only difference in the way each crater was made?
The only difference was that each rock is a different size. They were all released from the same height, at the same time, and fell at what I presume is the same velocity, it is true that the only magic used on them was that which stopped them from being suspended in the air/caused gravity to take hold. You could also argue that the rocks were all released and fell to the sand in different places, even though they were near each other. Though this may not have caused any significant difference, it should still be factored in, in case of some sort of strange gravity anomaly/pocket in the classroom, which may potentially have caused one of the rocks to slow down and lose velocity
3. What can be said about the importance of the mass of a meteorite in making a crater?
Firstly, it should be noted that the weight of an object does not affect how fast it falls to the ground; different weighted objects will fall to the ground at the same speed. Therefore we know that it was not speed or velocity that influenced the sizes of the craters. The only other (significant) variable is the size (mass) of the rocks. Given that the rocks are all different sizes, and so are the craters, if you apply this experiment to meteorites and Earth the most probable answer is that the higher the mass of the meteorite (rock), the larger the resulting crater will be. There could potentially be other factors, however, other than just mass.
__________________
Days of Potter 2023:___________________________ Which Bertie Botts Flavour Are You? You are Chocolate!
Milo had a feeling that Astronomy was going to use up a lot of parchment this term. This was all stuff that he didn't really think about much less know since his reading never really seemed to fall under the category of outer space. He'd have a comeback to his mum the next time she said he had his 'head in the clouds'.
The Admiral was speaking again after adding the notes to the blackboard and had used his wand to summon three more rocks like his Pebbles from before. These were different sizes though, with Dwayne being much, much bigger than the second which was larger than the first. Milo had gotten a bit excited when he put together that they would be hitting the sand below but he thought they were going to get to throw the rocks but nope, just gravity.
Still, the Ravenclaw laid down his quill and leaned forward and followed the rocks as they quickly fell. BOOM. "Woo! Goo Dwayne!" Milo said a tad louder than he had meant to. He won. Biggest crater and all.
Big craters now. AND more questions.
SPOILER!!: Answers
1.) Dwayne Johnson The Rock won created the largest crater.
2.) The only difference in which the craters were made is the size of the rock that hit the sand because they fell from the same height.
3.) The importance of mass has got to be that it makes it bigger if it is more massive.
½ EagleBrain ♥ Creeperdoodle ♥ Raven Dor ♥ Berry ♥ ½ Team House Elf
... Zeke sat with his hands out in front of him, his parchment forgotten for the time being and just flipping his quill between his fingers. People were talking, but he wasn't really listening, not really, he just picked up on the odd word here or there. Couldn't they just cut out the section of their text book that had the definitions and stick it to their notes? Seemed the easiest way to get around this...
...
Eventually he DID copy down the notes from the board, if only to achieve something for today's lesson.
What came next was of a little more interest, but watching rocks fall to the ground wasn't something he hadn't seen before. Nevertheless, he watched as instructed. The craters they left behind weren't of any interest to him though.
And questions... Flamsteed had questions.
SPOILER!!: notes
1. the biggest rock had the biggest crater, smallest had the smallest crater
2.
3. the bigger and heavier the rock, the bigger the crater
Zeke took a moment to scribble a rough diagram of a rock thing... with a tail thing... so he guessed it was more like a comet, but whatever.
Toto * RotiSila * ToRo * Braveheart * Grandma & Mama Tori
SPOILER!!: Marsha’s Complete catch up <3
Having run the lint roller over her robes, even though they were CLEAN, Marsha had moved into the Astronomy classroom only to… float? SHE WAS FLYING! HOW COOOOL WAS THAT???? Haha, niiice. Though, that wasn’t really that helpful considering she needed to find a desk. Some weird arm movements and leg kicks later she finally managed to grasp a chair with enough force to be able to get to the table properly and then to sit down. Wheee. Okay. Now that she was sitting down, she applied the pip to right side of her robes and held up her hand in the … what had he called it…? The Valcan thing? Fingers apart she smiled at her Head of House. ”Uh… Live, Long and… Prosper.” It took her a minute to remember the required saying but she got there.
Quote:
Ensign Marsha Hanover
Second Year Lioness
Having tapped and created her name plaque, which was so totally cool, she had waved to Lance when he had finished de-linting had come into the room. See! She had even written out his plaque for him too, she felt the need to make it up to him for not being able to sit with him earlier in Charms.
Quote:
Ensign Lancelot McWitty
Second Year Gryffindor
Listening to a portion of her classmates answers, she looped down some answers on her own parchment. After a few answers, she put her hand up into the air and answered when she was called. ”I think there is a link between rocks and trees... “ Really, she had no idea… Astronomy still wasn’t one of her best subjects but she was hoping to change that this year. ”I think that like the rings on a tree trunk, you can tell things about the rock and where it has been in its life by the rock? Don’t ask her WHAT on the rock gave it away… but she was sure something did.
We are stars. HOW COOL WAS THAT! Hehee. Next time someone argued with her, she would tell them that she was a star and that there was nothing they could do about it. Hehehe. That would soon stop any arguments they were having. Thanks Yoongi! Thanks Pro… Admiral Airey! Hehehe.
Notes. Notes were being taken. And hopefully her spelling was right - though she had a feeling that a lot of these words were being spelt super wrong and that was going to hinder her ability to look them up and correct them later… but she didn’t really have time to worry about that as Admiral Airey got all excited and sat and filled them in; lots of filling in with even bigger words. Great. She looked at Lance and mouthed that they would get through this together. Yes… they would.
She wrote down the words from the board across the top, and then filed the information that her classmates knew under each heading. She didn’t really know much about any of them - and couldn’t distinguish between them so she didn’t say anything. Knowing her luck, she would have given Professor Airey a fact for something completely different.. Hmm… maybe she needed to read more of this year’s Astro text book…. that might be a good idea.
And there was a demonstration! WOOOAAAAHHHHHHH!!! Looook at those rocks fall. Hehehe check Flints’ ability out! And Rockanne. Hehehe. They all did pretty well, Yup…. but were they safe and okay and unharmed from their fall? She looked over the edge of the table to make sure they were all in one piece… Yes, she thought. Hopefully they was no internal leaking or bleeding… ‘cause that would be bad.
Hmm… with her hand in the air Sha figured she would answer one of those questions since she had skipped the last question. ”Admiral, it seemed that the only real difference was the size of the rock as they seem to fall from the same height, at the same time, for the same distance into the same material and densisity.” She frowned - that last word didn’t sound right, but she couldn’t remember the actual word that she meant (density). ”Densii…” Nope, no idea. ”That would suggest that the bigger the rock, the bigger the crater it will create when it finally collllides!” Yup. other than that, she had no idea - so once again she took down notes from her class mates.
Made of Awesome | Ern-la the Best-wa | TZ's Apogee
The professor was just all of a sudden YELLING at her. About dumb polka dots that he didn't even want her to wear, but that he also didn't offer to take back. WHY WAS STARMAN SO MEAN? And so morally opposed to polka dots?
"S-sorry, sir. I don't fancy detention at all." Her lip wibbled violently, and Dot scrambled after the dumb pips. One floating by her feet, one heading towards the professor, one... Sophie kept one. That was okay, right?
"Th-the pips wouldn't make a crater, sir. They'd burn up on re-entry." What did she know, though? This class was hard, and she was stupid.
Wizarding World RPG Admin Minister for Magic Alley Proprietor
Romanian Longhorn
Join Date: Aug 2010
Location: The Paths
Posts: 39,976
Hogwarts RPG Name: Briallen Ashburry-Hawthorne
Gryffindor
First Year
Hogwarts RPG Name: Nyle Harden
Hufflepuff
Second Year
Hogwarts RPG Name: Iris Harden
Ravenclaw
Second Year
Hogwarts RPG Name: Calliope Barrington
Slytherin
First Year
Hogwarts RPG Name: Diamond Marchbanks
Gryffindor
Sixth Year
Ministry Department Head:
Charles Hollingberry
Minister's Office
Ministry Department Head:
Airey Flamsteed
Mysteries
Diagon Alley Proprietor:
Zachaël Lufkin
Owl Post
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astronomizzle ♧ gryffinDORK | & the rest is drag ♣ #badluckDerf
SPOILER!!: those who opted to keep their observations to parchment <3
Quote:
Originally Posted by DaniDiNardo
Wait what....?
O_O
Tomorrow? After his classes? The Professor's Office? He...he was in trouble wasn't he? There wasn't the faintest hint of a smile on the man's face as he so obviously watched the floating quill and notepad still actively at work. But...but WHAT DID HE DO?? HE ANSWERED ALL THE QUESTIONS AND RAISED HIS HANDS AND THE MAN COULDN'T READ WHAT WAS WRITTEN FROM ALL THE WAY OVER THERE.
BREATHE.
He was in trouble, huge trouble, major trouble and without knowing why, there was no way for him to try smooth talking his way OUT of it. It was all that Captain talk, he must have thought he was working at a mutiny--or well he didn't KNOW. He didn't know anything anymore and his big brown eyes got even bigger. "I didn't mean to, Professor." Mean to what, Bellaire? Specifics! But he didn't HAVE specifics which just meant lots of scared looks and watery eyes and fast heart beats. The man was his Head of House, getting into trouble with him must have been ten times worse (cause Airey was his plan B in the event he got in trouble with OTHER Professors, NOW HE HAD NO PLAN B).
The boy was scared silent, not even the collision below could bring him back, in fact, the answers being requested? All scribbled down silently. If he didn't make any sudden sounds...maybe...maybe the Professor would forget all about him and any meeting he now had planned. It was worth a shot.
SPOILER!!: Normal Scribbled Notes
1. Dwayne Johnson made the biggest hole in the sand.
2. The only difference between all three was how big they were.
3. How heavy a rock/meteorite is determines the impact and damage once it collides into another structure so the heavier and bigger they are is the bigger the crater will be.
Quote:
Originally Posted by Squishy
...Stellar? Paulina had never heard one before. She liked it. Heh.
Smiling, she continued to update her notes as more information was shared. Pretty basic stuff so far as the terminology wasn't all that complex. Things were probably going to get more complicated, but she was going to enjoy this while it lasted.
Curiously she watched the little demonstration as it unfolded before adding the answers to his questions to her notes:
SPOILER!!: Paulina's Notes
1. Dwayne Johnson created the largest crater.
2. The only difference is the fact that the rocks vary in size.
3. The bigger/heavier a meteorite is, the bigger the crater.
Looking over her work, Paulina was pretty sure her work was correct. These were the logical answers after all. At least in her mind.
Quote:
Originally Posted by keepmeclose22
Austin grinned at his two thumbs up. It didn't get him any points, but it still meant he did a good job. If he wanted to gain points, he really was going to have to impress the Admiral. For now he copied the blackboard, making sure to add the small foot hands. He was going to need to remember these names later.
SPOILER!!: Austin's notes
The difference all comes down to a question of location. Each are made of the same basic materials – minerals and rock – and each originated in space.
asteroid
A large rocky body in space, in orbit around the Sun. Asteroids are always found in space. meteoroids meterOID is in the VOID
A much smaller rocks or particles in orbit around the Sun. meteors meteOR above you SOARs
If a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star. meteorites meteorITE is in your SIGHT
If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite.
After that, he watched as the Admiral let three different rocks fall to the ground. The more he sat in this lesson, the more he wished he could have one. It would be so cool to keep a pet rock in your pocket. I wonder what they eat? Since he wasn't up for making himself known to the world, he decided it was best to write down his answer on paper.
He looked down at the sand again. That was a lot of sand for such a small demonstration. Hopefully the Admiral wasn't going to let any of them fall to the ground like that. Sand may work against pet rocks, but not with humans.
Quote:
Originally Posted by Yaya
Commander Saenz. She liked that title. Ehem. She would be telling that to Matt on her next letter. Victoria saluted back, grinned wide because of the little detail, and listened to the rest of her classmates' answers. Amazing, thumbs up. These kids were so cute.
And so they met Rockanne, Flint, and Dwayne Johnson. Yes, like the action movie star. They were to be dropped. Flick...and down they went onto the sand little-lot. Victoria looked down at the collisions. It was cool, interesting how gravity laws deeply applied here.
Million thoughts, in her head, needed to be scribbled down...
SPOILER!!: Vicky's notes
Uno/One. Dwayne Johnson, seeming has the greater mass due to its size, created the greater crater. Also adding the fact that meteorites have a greater mass due to the increased mineral content. Just side notes. Dos/Two. Difference lies maybe in the shape of the crater, like as if the craters looked like a donut, pancake, etc. Tres/Three.The greater the mass, the bigger the crater will be...?
Maybe she would wait for other people to participate this time. So, she closed down her notebook and wished she had brought her camera with her to class.
Quote:
Originally Posted by Holmesian Feline
His answer was acceptable for which Benny was grateful. The response to him had certainly been far more easier to accept than the loud ones he had to the likes of a certain firstie, or clearly annoyed at the antics of Dot. Seeing what was being added to the blackboard, he copied it down onto his note. It was better then dwelling on the implication on the meanings of the various reactions.
And then there was the new pet rocks they were all introduced to, all three larger then the usual offering. That still didn't intice Benny to be interested in housing one of them in his own future menagerie. Besides, they were better used as props in class demonstrations, the craters now present in the sandy ground beneath them on the floor clear proof of that. The seventh year did as was asked, carefully leaning over in his seat to look down upon them more closely, finally straightening up and working on his answers to the posed questions.
SPOILER!!: Answers
1. The largest rock created the largest crater.
2. The size of the crater formation is the only difference.
3. The more mass an object or asteroid has, the stronger the impact and the deeper the crater.
Quote:
Originally Posted by SpiritWolfe Malfoy
And more notes to take down.
Hady switched hands with her quill giving herself a few seconds to flex her fingers. All this writing was making her fingers cramp up. She'd have to deal with that later on though as more writing was required now. Once more holding her quill in her writing hand she went back to quickly taking down her notes.
When she heard something about rocks and their names her gaze swung over to where Professor Airey was. Dwayne Johnson. As in The Rock? Nice going Professor. This got a grin out of the fourth year and she couldn't help but laugh quietly to herself thinking about the name of her pet rock. Elvis. Names were important.
Anyhow she needed to pay attention and cease her writing for a second in order to watch the demonstration happening. Leaning forward a little to look downwards she watched the three rocks plummet to the floor below. Still looking downwards she began to write on her parchment once more.
SPOILER!!: Answers
The rock named Dwayne Johnson made the bigger crater. I think this is mostly do to him being the largest of the three rocks and most likely the speed with which he fell and hit the ground.
It made sense to her at least. The bigger something was the harder it usually fell right? And if something was to slam into something else at a greater speed a bigger impact was made then if it was going much slower. If she was right she'd find out. Most likely there was more to it but yeah she wasn't all that sure on it all.
Quote:
Originally Posted by feeheeheeny
Really quite clever. "That's my middle name, professor." Sophie REALLY QUITE CLEVER Brown, didn't he know? And the rhyming thing wasn't an original thing, certainly he knew that, so she was just kidding around. Nothing wrong with a bit of harmless jesting.
Airey was super cute with the way he offered a disclaimer about the rocks and how they wouldn't be harmed. Adorable, really, his love for the rocks was. Didn't make a lot of sense to her, but it made her smile, so she couldn't really complain. She watched the pseudo!meteors go down and... CRATER IMPACT THING. Not the COOLEST simulation in the world, but entertaining all the same, and since they could answer out LOUD or silently to themselves... Sophie opted to stay silent this time, since loads of others were willing to show off to Airey, but she didn't need to do so. And she also wanted to work it out first. So... the largest rock made the largest crater, and the sizes of the craters depended upon the density of the rocks that fell, right? It was about... the physical size of the crater that made the craters wider, and the mass and density made it deeper? Maybe. Perhaps. Sophie Brown was distracted by Zander's good looks, so her train of thought in processing the information at hand was a bit less than ordinary for her.
Didn't Zander have the best hair? The best smile? The best jawline? He was distracting, too, with the way he kept looking at her.
And THANK YOU FOR THE EXTRA PIP, CHARLOTTE WOJACK-GUSEY.
Quote:
Originally Posted by Expecto-Penguin
Colt was amused he got it wrong. He shrugged it off and knew he wasn't gonna be an astronomer in his near future. He didn't even really care about classes, he was just amazed he even answered in the first place. He heard the Professor ramble on till he heard him yell at Dot who was their prefect. What in the world...? He turned and it seemed she did something the Professor obviously didn't like. He could help but snicker and it would have been something he would done. It seems this girl has got guts. It was genius thought in his opinion. He nodded towards Dot to show he approved.
Now onto the second part of the lesson which was looking at the drawings on the board. He squinted and saw the rocks had names? Seriously...? Why would they need names? They were just rocks after all. At least this time he could write on parchment. Save him the energy. He began to scribble down what he thought the obvious answer was....
SPOILER!!: Parchment
1. The Largest Crater was Dwayne Johnson.
2. The only difference is their size
3. The bigger the mass the larger the whole is gonna be.
There that seemed logical enough. He thought he knew that name Dwayne Johnson from somewhere. Ah well he waited in silence while the other students thought. He was actually thinking around the lines of who else was gonna cause trouble today.
Quote:
Originally Posted by ArianaBlack
Okay not that he wasn't normally staring at Soph 'cause this wasn't anything revolutionary, but this time Prof--Admiral Flamsteed noticed. Ahem. The Gryffindor blushed a slight red before taking his eyes off Sophie and looking to the next few who answered. He was gonna stare straight ahead and not even look at her for the entire rest of class. Mhm. That last all about two minutes.
Welp.
The demo was... nothing out of the ordinary. Honestly, Flamsteed was normally a guy of greater dramatics, so it didn't really phase the head boy. He just watched and mentally noted the fact that the bigger rock made the bigger crater. But it was again, nothing revolutionary. 'Cause obviously the bigger they are the harder they fall type thing, right? Plus it'd disperse more sand or whatever. But also, he didn't feel the need to say any of this out loud because others would do that.
Quote:
Originally Posted by Sararara
Gases and dust. Sounded like a PARTY. Norah added that to her notes, before turning back to watch the rest of the answers everybody gave. Sophie's rhymes got recorded in extra special glittery ink because those were actually something she might be able to remember. Once her notes were all updated, she leaned forward to get a better look at the falling rocks. It was a good thing he'd made sure they'd be okay, too, 'cause she'd bene wondering before he'd announced it. Was he a mind reader or WHAT?
Okay. So. The biggest rock made the biggest circle thing. That made sense, right? The only real difference was the size and it was all pretty logical, unless Flamsteed was trying to trick them which would just be mean. Then the mass of the rock was probably proportional to the the size of the crater too, 'cause mass and size were pretty much the same...right?
Quote:
Originally Posted by Meizzner
Well there was at least one or two people who appreciate a horrible joke. But he was pleased it did not earn negative points. Just a laugh and on to the next answer was perfect for Dante. Well a rock named Dwayne Johnson had to be awesome and Dante was no disappointed.
From what he saw it created the biggest crater in surface area and yeah that is all that mattered.
He wrote down that Dwayne Johnson was the peoples champ of rocks so far, and he did not know the next question. So he guesses size and speed of impact. so he wrote that down. And for the third. He wrote important. He only asked what can you say and Dante says it is just important.
Quote:
Originally Posted by Felixir
This was working out quite well for Daxton. Though he was already awfully bored with the discussion of rocks and the like, the fact that this was all science was keeping his brain engaged. He could simply sit quietly and work on his notes, and Airey Flamsteed seemed quite content with leaving him be, which Daxton appreciated all the more.
It was the mention of 'three new friends' that had the Ravenclaw looking up from his parchment again, at which point he saw... more rocks. Unsurprising, given the lesson topic, but... the names. Oh, the names.
Why did Airey Flamsteed love to name rocks so much? It reminded Daxton of the people he had heard of who named their cars or other inanimate, non-sentient objects. It made little sense to him; even most animals went throughout their entire lives without names, those in the wild and such, so... why did people love to name objects so much? Baffling.
Of course, none of this was said out loud, though if he had the capacity to talk, no doubt it would have been.
Daxton watched the rocks floating in the air, unnerved by their eyes and feeling as though all three of them were watching him. He felt better when gravity took hold (though there was a brief moment of panic where Daxton suddenly thought that what if Airey Flamsteed accidentally... or on purpose... lifted the spell on the entire class, Daxton included, and they all went plummeting to the floor) and soon the rocks were down on the ground and had formed three visible craters.
Looking down at the sand, Daxton considered things for a moment as Airey Flamsteed continued talking. He eyed each crater, and the rocks that sat in the middle of each one, then went back to his notes to write down his thoughts.
SPOILER!!: Notes
Daxton Prince
First Year
Ravenclaw
Astronomy
Rocks
Rocks can tell us about the history of the earth, either through the fossils they might consist of or contain, or their own physical structure, or what processes occurred to create a particular rock - elements, chemicals, pressure, atmospheric influence, etc... - the deeper you go, the older the rock, most probably, and therefore deep down towards the centre of the earth, there may be answers as to the planet's creation/formation/deeper history, which links back to Astronomy
Float in space, and help create planets, including Earth. Rocks obtained from the Moon support this claim, due to a 'tiny excess of a heavier variant of the element zinc' - research further
Entire ecosystems altered due to 'space rocks', eg: the asteroid that destroyed three quarters of life on earth, and ended numerous species and the Cretaceous age (65 million years ago, not 6.5 million) - left the 'Chicxulub crater' (though some argue that the crater it left is not the Chicxulub crater, despite evidence saying otherwise). This also lead to our existence in the long-term
^ Marked end of the Cretaceous period and beginning of the Paleogene period. Geologists and planetary geologists refer to this as the Cretaceous–Paleogene boundary (K–Pg boundary)
Fossils - self-explanatory
"We are all rocks" - ??????????????? no
^ Calcium found in rocks and makes up 3.63% of Earth's crust is also found in human teach. Iron that makes up 5% of Earth's crust is also found in human (and likely other creatures') blood. These elements were created in the interiors of collapsing stars. Humans "made of stars"
No
I am not a rock
Or a star
That does not even make sense. We consist of some of the same elements, we are "made of stars" in the most rudimental sense. That statement is misleading and confusing.
The four inner planets of the Solar System (closest to the Sun) are made of rock
Some markings on some rocks may be able to determine the age of the planet it comes from
Panspermia - the theory that rocks brought life to Earth (and likely other planets throughout the universe) by way of early organisms, proteins, water, etc... the "building blocks of life"; research in August 2015 supports this claim, showing "evidence that early comet impacts influenced amino acids to change into peptides"
The Moon is a rock, obviously - perhaps possible to compare Moon rocks to Earth rocks and discover the absolute truth of how the Moon came to be
Rocks are classed as baryonic matter
Astronomers measuring the density and composition of the universe using leftover radiation from the Big Bang discovered that the baryonic matter of which rocks belongs to makes up only 4.6% of it - research further
Rocks made of silicates, rock-forming minerals made of oxygen and silicone, more hydrogen atoms than silicone atoms in the Solar System, so much more hydrogen found than rock. Rock makes up the majority of inner terrestrial planets due to the fact that hydrogen and methane (and ammonia) cannot condense because of the thermal energy closer to the sun. The rocks (the planets' bodies) cannot hold onto these elements, therefore it is the silicates that end up forming the rocks of the inner planets, hence why there are no gaseous planets closer to the sun
Outer planets also have rock at the centre, just less
Rocks make good pets? Better than an animal I suppose...
Rocks made up of all the different minerals in the universe flew together at the beginning of time(? IF the beginning of time was the beginning of the universe, which I doubt) to create the planets
Rocks dating back to K–Pg boundary period indicate global catastrophe, ie: layer of grayish clay found in all of the K-T boundary era rocks, which contain unusually high concentrations of iridium. As this element is extremely rare in surface rocks on Earth, leading to the conclusion that the rocks were from elsewhere (indicating a large meteorite impact... rocks from space)
Basic Terminology
- asteroid = large rocky body, always found in space, orbits the Sun, but not a planet
- meteoroids = smaller than an asteroid, but still rocky bodies (rocks) or particles which orbit the Sun ("meteroid is in the void" except it's actually just in space which isn't officially a void because the space in our solar system does contain some particles)
- meteors = occurs when a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star" ("meteor above you soars")
- meteorites = "If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite." ("meteorite is in your sight" although I suspect any of them could be in your sight if you look hard enough and/or use a telescope)
What each of these is depends on where they are. You cannot find a meteoroid within the Earth's atmosphere, because it will either vaporise and burn up upon entry, at which point it would become a meteor, or it will hold together and thus become a meteorite, and hit earth. Asteroids generally stay in space, orbiting the Sun, but if it were to impact with the Earth (meaning it entered the Earth's atmosphere without vaporising) it would also become a meteorite, though generally when these impact with the Earth, they are still referred to as asteroids, which is confusing. Also, all four of these bodies are made up of minerals and rock, and all originated in space. Obviously. In fact, you could argue that everything originates in space, as that is exactly where we are, but that is besides the point.
Shiny black crust on meteorites as a result of going through the Earth's atmosphere
Meteorites potentially heavier than normal Earth rocks due to their contents
Meteors give off a glow due to burning up - down to friction and speed and obviously not magic, duh
Hoba meteorite - largest known, found in Nambia, 60 tonnes, discovered in the 1920s, believed to have impacted approximately 80,000 years ago
Asteroids can have their own moons (for example: the 19 mile wide Ida, which has a 1 mile wide moon, Dactyl)
Some asteroid considered to be dwarf planets - Ceres, Pluto, etc
None of these are to be confused with comets, which are something else entirely
"Meteor showers are Earth's way of getting clean" ??????????????? - research further
Meteorites can be as small as particles, specks of dust, grains of sand - as long as it is bigger than an atom, and smaller than an asteroid, it counts
Asteroids are considered 'minor planets' (essentially any astronomical object that orbits the Sun but is not one of the 'official', 'main' planets nor originally classified as a comet - includes asteroids, dwarf planets, and centaurs [obviously the celestial kind, not the mythical creature kind)
Pluto is a dwarf planet, technically an asteroid though some argue its status as a comet
Some people wish on what they think are 'falling/shooting stars', but actually they are just meteors. It makes no sense why people would make wishes on falling stars anyway, because they cannot grant them. Making wishes does not work.
Asteroids sometimes travel in groups
The largest known asteroid is as large as the state of Texas in the United States, and it is 582 miles across
Falling Rock Experiment
1. Which rock created the largest crater?
The largest rock ("Dwayne Johnson", apparently)
2. What is the only difference in the way each crater was made?
The only difference was that each rock is a different size. They were all released from the same height, at the same time, and fell at what I presume is the same velocity, it is true that the only magic used on them was that which stopped them from being suspended in the air/caused gravity to take hold. You could also argue that the rocks were all released and fell to the sand in different places, even though they were near each other. Though this may not have caused any significant difference, it should still be factored in, in case of some sort of strange gravity anomaly/pocket in the classroom, which may potentially have caused one of the rocks to slow down and lose velocity
3. What can be said about the importance of the mass of a meteorite in making a crater?
Firstly, it should be noted that the weight of an object does not affect how fast it falls to the ground; different weighted objects will fall to the ground at the same speed. Therefore we know that it was not speed or velocity that influenced the sizes of the craters. The only other (significant) variable is the size (mass) of the rocks. Given that the rocks are all different sizes, and so are the craters, if you apply this experiment to meteorites and Earth the most probable answer is that the higher the mass of the meteorite (rock), the larger the resulting crater will be. There could potentially be other factors, however, other than just mass.
Quote:
Originally Posted by DanialRadFAN01
Scribble, scribble, scribble.
Milo had a feeling that Astronomy was going to use up a lot of parchment this term. This was all stuff that he didn't really think about much less know since his reading never really seemed to fall under the category of outer space. He'd have a comeback to his mum the next time she said he had his 'head in the clouds'.
The Admiral was speaking again after adding the notes to the blackboard and had used his wand to summon three more rocks like his Pebbles from before. These were different sizes though, with Dwayne being much, much bigger than the second which was larger than the first. Milo had gotten a bit excited when he put together that they would be hitting the sand below but he thought they were going to get to throw the rocks but nope, just gravity.
Still, the Ravenclaw laid down his quill and leaned forward and followed the rocks as they quickly fell. BOOM. "Woo! Goo Dwayne!" Milo said a tad louder than he had meant to. He won. Biggest crater and all.
Big craters now. AND more questions.
SPOILER!!: Answers
1.) Dwayne Johnson The Rock won created the largest crater.
2.) The only difference in which the craters were made is the size of the rock that hit the sand because they fell from the same height.
3.) The importance of mass has got to be that it makes it bigger if it is more massive.
Quote:
Originally Posted by Hera
... Zeke sat with his hands out in front of him, his parchment forgotten for the time being and just flipping his quill between his fingers. People were talking, but he wasn't really listening, not really, he just picked up on the odd word here or there. Couldn't they just cut out the section of their text book that had the definitions and stick it to their notes? Seemed the easiest way to get around this...
...
Eventually he DID copy down the notes from the board, if only to achieve something for today's lesson.
What came next was of a little more interest, but watching rocks fall to the ground wasn't something he hadn't seen before. Nevertheless, he watched as instructed. The craters they left behind weren't of any interest to him though.
And questions... Flamsteed had questions.
SPOILER!!: notes
1. the biggest rock had the biggest crater, smallest had the smallest crater
2.
3. the bigger and heavier the rock, the bigger the crater
Zeke took a moment to scribble a rough diagram of a rock thing... with a tail thing... so he guessed it was more like a comet, but whatever.
Nodding and offering the encouraging wink every now and then as he looked around the floating semi circle of desks at students writing down their responses - forgive him for not going around and checking each of your work individually, it would take far too long given the fabricated anti gravity environment - the nervous words uttered by Ensign Bellaire did not escape the man. They also put him in a bit of an amusing situation as well. Did he let the boy off and inform him that what he wished to discuss was nothing bad but rather an opportunity? Or...let him stew a little in his anxiety and perhaps take advantage of the fact that he could put the Gryffindor on especially good behavior? Not that this one had shown any particular tendencies towards unsavory behavior as of yet.
All the professor Admiral offered in reply was another wink.
Clearly going for the latter option.
Lots of stellar penmanship, he had to say. Well...what he COULD see from where he was floating anyway.
AND HE SAW THAT! THAT SNAG OF AN EXTRA PIP, CAPTAIN BROWN!
SPOILER!!: those getting just a weeeeeee bit ahead of the game ;)
Quote:
Originally Posted by FearlessLeader19
Wheee!
So admittedly he had been a bit off with his answers but who cared? Certainly not Flamsteed. Besides, Adi liked to think of it as being different. Sticking out of the crowd, if you will. Hehe. But enough sticking out. He would be back on track with what was asked next. Yup. But excuse him while he felt about his eyebrows. Flamsteed and his lack of gravity classroom was killing his brow vibes, yo.
Oh, looky at the rocks! Dwayne Johnson? The Hufflepuff laughed to himself again. He caught that reference, Admiral Airey! Alrightey... so they were asked to use their imagination. He could do that. That was one thing he never lacked at. Yes, he could see it allllll in his head.
WAIT! Ah, never mind. Flamsteed said the rocks would not be hurt. Goody! Annnnnd to Earth the three fell, causing their impact and sending sand all around. Adi looked down, one hand fidgeting with his brows. He studied the craters in order to answer the questions OUT LOUD because he liked talking and writing was something horrible to do right about now when one's parchment and writing apparatus kept floating up. He raised a hand.
"Dwayne Johnson made the biggest impact though each crater was made based on the size of the rocks, it would seem. That last bit would be the difference in which the craters were created.'' Adi paused now, something just occurring to him. "Is that what determines the size of the craters? I would like to think it was the speed at which the rocks were going is what determines that more than the mass.'' So, no. He didn't think the mass of the rock was important. He could be wrong buuuut at least Flamsteed would correct him there, yeah?
Quote:
Originally Posted by Tazzie
The Admiral said his answer was excellent. Owen grinned at the man. He was feeling excellent about this lesson now too. He didn't even mind his seat's slight chair rocking and the fact that they were still floating. And there were rocks...rocks with cool names. Rockanne, Flint, and Dwayne Johnson (this one sounds soooooooooo familiar hmm...). Maybe the Admiral would let him adopt Rockanne? She would probably fit in Sushi's fish bowl.
Dress rehearsals. Heh. Admiral sir Flamsteed was a hilarious man.
But oooooh...how awesome was that?! The drop!...and the impact!...and the formed crater! WHOA. So cool! Great job, rocks! Owen gave them the Vulcan salute.
Then there were questions, three actually, and Owen was going to share his answers out loud because he probably would still not be able to write properly with all the rocking. He raised his hand and offered, "The biggest one! I mean...Dwayne Johnson created the largest crater, Admiral sir. Then I think the difference between the rocks are their sizes..." He triiiiiiiiiiiied to look closely at the three rocks. "...and their shapes? Rockanne is not an exact smaller version of Dwayne Johnson, as we can see." Owen nodded. "As for your third question Admiral sir...Sir Isaac Newton's second law of motion can be applied. You know, force is equal to mass times acceleration. The mass of the meteorite is important because the heavier it is and the faster the speed applied to it, then the bigger and deeper the crater. I think both the mass and speed are equally important though."
"Hold on to your rocket boosters," Airey chuckled, putting his free hand up with palm facing the students while Pebbles looked on in his other. "We will get to all that in juuuuuust a moment and then you can tell me for yourselves."
Just focusing on one aspect for now, although he would be lying if he said he was not impressed those connections already being made.
SPOILER!!: OH NO DOT NO
Quote:
Originally Posted by Cassirin
The professor was just all of a sudden YELLING at her. About dumb polka dots that he didn't even want her to wear, but that he also didn't offer to take back. WHY WAS STARMAN SO MEAN? And so morally opposed to polka dots?
"S-sorry, sir. I don't fancy detention at all." Her lip wibbled violently, and Dot scrambled after the dumb pips. One floating by her feet, one heading towards the professor, one... Sophie kept one. That was okay, right?
"Th-the pips wouldn't make a crater, sir. They'd burn up on re-entry." What did she know, though? This class was hard, and she was stupid.
OH NO SWEET SOLSTICE NOOOOOOOOO.
NO NO NO NOPE NO.
THERE WAS LIP MOVEMENT. WIBBLING LIP MOVEMENT. MOVEMENT THAT WAS ALMOST ALWAYS A PRECURSOR TO TEARS.
Maybe if he didn't make eye contact it would all go away....
"Yes yes...quite right," he nodded, looking at his Starfleet boots as though they were the most fascinating in the entire universe. "If the rocks represent those bits of space debris that survive to become meteorites, these pips would certainly attain nothing more than meteor status."
HAD SHE STOPPED THE WIBBLING YET? HE WAS TOO SCARED TO LOOK!
SPOILER!!: BIGGER IS BETTER AND BETTER IS BIGGER - esque people
Quote:
Originally Posted by ChanceCoeur
Noelle sunk in her seat. She wasn't doing well at this class at all. She was practically pouting as she folded her arms in her seat. She was sulking. SULKING.
The sulking took the back seat as Noelle saw the rocks. She was curious. Uncrossing her arms, she scooted up in her seat and looked over it as the rocks fell. She looked over farrrrrther to try and see what impact they had made. Hmmmm.
Heh. Dwayne Johnson rock. The Rock. Heh. Clever Professor Flamsteed clevvvvver.
Noelle didn't want to get another answer wrong. Instead of bursting out the answer, she said it at a normal tone. " It looks like Dwayne made the biggest impact. Most likely because The Rock, heh, is the biggest and baddest rock of them all. The velocity it fell at probably matters with the impact as well. The bigger the rock, the bigger they fall." Did she say that right? Was she right? She wasn't about to look up to see.
Quote:
Originally Posted by MudInMyBlood
What? Oh yeah. HAHAHAHA. Good one, Admiral. AJ actually snorted her approval. "It's magic..." Or maybe she only wanted him to THINK that she had actually locked her lips. Although, that wasn't true. AJ didn't put that much thought into it.
Was that what she meant? Honestly, that just kind of came out of her mouth. Did she really even care? The answer to that was no, but it was interesting. "No insect poop? Seems lame." Earth dust for the win.
Sooo... she kind of wanted a rock. What did they eat though and just HOW much attention did they need? No need to fear rocks, you may just become a member of the Valentine family. Lucky, lucky rocks. Look a little Flint. Cute, cute, cute.
Oh, rocks were going to go boom and if they weren't actually going to hurt their little rock selfs then AJ was all for it. We are ready, Admiral. BRING. IT. ON.
Annnnd they had crashed. AJ opted to say her observations out loud because if she didn't have to write something down, she wasn't going to. Hand cramps were legit intense. Her hand did its signature wave in the air while she waited to be called on.
It was her turn. Right. Meanwhile people were giving out super smart sounding answers, and AJ just really wasn't that technical. Nope. "Dwayne is the biggest rock and he made the biggest hole which goes to show that the fatter you are the harder you are going to fall." There. Simple. Bet the firsties fully understood her observation. "Because the only difference in the craters are the size so that means little Flint and Rockanne never stood a chance against big body Dwayne." She had covered all threes questions, yes? AJ though so, and quite well if you asked her.
Quote:
Originally Posted by SarcasticStrawberry
Cinna beamed as she got a stellar replying from Airey but that soon faded when she heard chamber of secrets. In all honesty she hadn't so far had to hard of a problem dealing with the events of last term. But Airey really that was a low and very unintentional blow or she hoped it was. Too soon, Admiral too soon.
Anyway she was taking notes here and there now. Mostly writing down the things that she didn't know. Demo time? Yes, demo time she knew how this was going to end. Yep she did just like watching titanic you know the boat is going to sink everytime. "Mr. Johnson there made the biggest crater. His mass was more than the other two, causing a larger impact area." Did that sound very scientific? Did it?
Quote:
Originally Posted by Harry174
Angel just looked down at her table, seriously Professor it wasn't her fault she was so distracted by all the problems she had at the minute, she then heard him ask some questions to do with Space and at the minute if she could she would have scotty beam her up... or O'Brian or who ever it was that did that.
Angel listened to the questions and then thought about the answers. She was still trying to figure out the answer to the first two to her all she was seeing was destruction which at the minute was what her life was feeling like, thanks for the reminded Admiral Flamsteed.
Angel couldn't get over the mass of destruction, it was just so painful though she could tell which one was bigger. "The third one had the biggest impact." Yeah no boys names was coming out of her mouth at the minute.
Angel then thought about the second question. "They are all either big or small? so the bigger you are the more weight you are going to carry for impact and the more devastation your going to do to someone life and the more damage you are going to do.." Angel looked at the mess that had been left behind, she looked at the Admiral with pleading eyes, could they please move onto another topic.
Quote:
Originally Posted by Stormdancer
SPOILER!!: Marsha’s Complete catch up <3
Having run the lint roller over her robes, even though they were CLEAN, Marsha had moved into the Astronomy classroom only to… float? SHE WAS FLYING! HOW COOOOL WAS THAT???? Haha, niiice. Though, that wasn’t really that helpful considering she needed to find a desk. Some weird arm movements and leg kicks later she finally managed to grasp a chair with enough force to be able to get to the table properly and then to sit down. Wheee. Okay. Now that she was sitting down, she applied the pip to right side of her robes and held up her hand in the … what had he called it…? The Valcan thing? Fingers apart she smiled at her Head of House. ”Uh… Live, Long and… Prosper.” It took her a minute to remember the required saying but she got there.
Having tapped and created her name plaque, which was so totally cool, she had waved to Lance when he had finished de-linting had come into the room. See! She had even written out his plaque for him too, she felt the need to make it up to him for not being able to sit with him earlier in Charms.
Listening to a portion of her classmates answers, she looped down some answers on her own parchment. After a few answers, she put her hand up into the air and answered when she was called. ”I think there is a link between rocks and trees... “ Really, she had no idea… Astronomy still wasn’t one of her best subjects but she was hoping to change that this year. ”I think that like the rings on a tree trunk, you can tell things about the rock and where it has been in its life by the rock? Don’t ask her WHAT on the rock gave it away… but she was sure something did.
We are stars. HOW COOL WAS THAT! Hehee. Next time someone argued with her, she would tell them that she was a star and that there was nothing they could do about it. Hehehe. That would soon stop any arguments they were having. Thanks Yoongi! Thanks Pro… Admiral Airey! Hehehe.
Notes. Notes were being taken. And hopefully her spelling was right - though she had a feeling that a lot of these words were being spelt super wrong and that was going to hinder her ability to look them up and correct them later… but she didn’t really have time to worry about that as Admiral Airey got all excited and sat and filled them in; lots of filling in with even bigger words. Great. She looked at Lance and mouthed that they would get through this together. Yes… they would.
She wrote down the words from the board across the top, and then filed the information that her classmates knew under each heading. She didn’t really know much about any of them - and couldn’t distinguish between them so she didn’t say anything. Knowing her luck, she would have given Professor Airey a fact for something completely different.. Hmm… maybe she needed to read more of this year’s Astro text book…. that might be a good idea.
And there was a demonstration! WOOOAAAAHHHHHHH!!! Looook at those rocks fall. Hehehe check Flints’ ability out! And Rockanne. Hehehe. They all did pretty well, Yup…. but were they safe and okay and unharmed from their fall? She looked over the edge of the table to make sure they were all in one piece… Yes, she thought. Hopefully they was no internal leaking or bleeding… ‘cause that would be bad.
Hmm… with her hand in the air Sha figured she would answer one of those questions since she had skipped the last question. ”Admiral, it seemed that the only real difference was the size of the rock as they seem to fall from the same height, at the same time, for the same distance into the same material and densisity.” She frowned - that last word didn’t sound right, but she couldn’t remember the actual word that she meant (density). ”Densii…” Nope, no idea. ”That would suggest that the bigger the rock, the bigger the crater it will create when it finally collllides!” Yup. other than that, she had no idea - so once again she took down notes from her class mates.
Blinking away the angst that was flying at him from Lieutenant commander Valentine’s direction (and in some instances literally slapping it away from the air with his hand as he would a fly), he nodded his head at each student’s answer.
“Correctomundo, for the most part,” he saluted. Some needed to work on their terminology, as it would not earn them full marks on exams and homework, but everyone got the general gist of the demonstration. And while he would not say it out loud, it was a fairly obvious conclusion to come to and he was positive that he need not actually perform said demonstration to elicit these responses. But hey, small little BOOMS were FUN, right?
Giving his wand another flick towards the board to erase the definitions there - they all had that written down by this point, yes? - three numbers appeared there instead with the nutshell answers to the questions he had just asked.
Quote:
Originally Posted by blackboard
Which rock created the largest crater?
Dwayne Johnson, the most massive of the three. What is the only difference in the way each crater was made?
The mass of the three rocks was varied. What can you say about the importance of the mass of a meteorite in making a crater? Crater diameter increases with increasing mass.
“Go Dwayne indeed,” he he chortled, giving Ensign Vogel an amused grin. “As those of you who opted to share your responses out loud pointed out, the more mass a meteorite has the greater the diameter of the crater. However, as some of you also pointed out, there is more to this equation than size.”
Summoning more rocks from his desk, the astronomer introduced each of them in the same manner he had the previous three who were now resting on the ground below them in their crater beds - all of which were simple craters, for the record.
“These three rock friends are the brothers and sisters of Roxanne, quadruplets if you will. All of them have the share the same mass,” he explained as he got the three into their ready positions, this time purposefully not keeping them at the exact same level but staggering them. “This is one here is Nephrite,” he said, leaving him the closest to the ground at about eye level. “This one Zoisite,” he continued, leaving the second to hover a few feet above Nephrite. “And this one Kunzite,” he concluded, leaving this one a few feet above Nephrite. “As mentioned by Captain Rehman and Ensign Montezor, velocity, distance over time, plays a role in crater formation as well. I will repeat the same process as I did with the first demonstration, remove the spell from these rocks and permit them to fall to the sand below.”
Were they all ready, because heeeeeeere we go!
“5...4...3..2...1…”
Spell released, the three stones hurtled themselves towards the ground and made for slightly more dramatic impacts.
ooc: the circles represent the approximate circumference
of the crater created by our falling rock friends
“Now, in honor of true scientific inquiry, please consider the following three questions. One, what did dropping our three rocky friends from different heights accomplish? Two, do you see any difference in the diameters of the three craters? And three, which do you think is more important in creating larger craters, more mass or more velocity?”
ooc: Class will resume sometime tomorrow, approximately 12 hours from the time of this post where we will move on to the main activity
__________________
When you're stuck in a moment and your spark has been stolen .................................................. ........... this is our time to own it, so own it..................................... baby we were born withfire and gold in our eyes
Umm, his name was Milo. He wasn't going to speak up though because he had been somewhat praised for cheering on the big rock. He sat quietly as he listened to the rest but then heard 'Ensign' again. Oh, right those were titles like Admiral. Right.
*awkward*
He was immensely glad he hadn't corrected the man.
Next experiment. He listened to the set up and watched as the rocks fell and made their craters before adding to his answers from the last drop.
SPOILER!!: More Answers
1.)Since they were dropped from different heights they created different sized craters.
2.)The is a difference in each crater; they are all different sizes.
3.)The velocity which is caused by the height it fails is more important I guess because if the rocks were the same mass then the only thing making the craters different sizes was that some where dropped from higher places.
Austin continued to opt for the parchment route. He wanted to spend his fourth year making friends, and trying to be social. But that required a lot of energy, and he wasn't up or it today. He watched in amazement as three more rock friends were pulled out. For some reason, he desperately wanted one. But right now, they had to focus on the lesson. Lesson now, rocks later.
It was interesting to see that both mass and velocity affected the size of the crater. But which was more important? That was the real question here.
Quote:
Originally Posted by Austin's answers
1. Dropping from different heights = different sized craters.
2. The higher the rock was dropped, the larger the crater.
3. Velocity is more important
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As the answers to the questions appeared on the blackboard, Paulina made sure to jot everything down in her notebook even though it was more or less what she had already made note of. Maybe this stuff would be on the NEWTs though goodness knows if she would even bother with Astronomy.
As different rocks were selected for the next demonstration, Paulina watched as they were placed at different heights. Obviously these results would differ from the last ones since distance from the ground played a role in crater formation.
More answers were jotted down in her notes:
SPOILER!!: Paulina's Notes
1. Dropping the rocks from different heights caused a variation in the sizes of the craters.
2. As with the last demonstration, the craters are all different sizes.
3. I think that the velocity of the rock is more important than the mass. The faster an object falls, the bigger the impact it has when it reaches the ground.
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Oh. Hehe. The young badger blushed slightly at the Admiral's comment. He was just a little excited because for once he wasn't really lost with the discussion considering they weren't talking about wizard-y things yet which he most definitely didn't have any knowledge about. At least at this point they were dwelling on some aspect of muggle physics.
Moving on, more rock friends!
Rockanne's siblings...with the same mass too! Owen was thrilled. If Rockanne wasn't up for adoption, then maybe he could adopt one from the other three? Fingers crossed!
And more questions. Phew. Owen's once again raised his hand, "Dropping the rocks from different heights made difference in the size of the crater that they created." He'd really love to have Kunzite if Rockanne wasn't available for adoption because look at that crater...awesome rock. Owen just HAD to beam at him. "Because the sizes of the crater our rock friends created vary, there are difference in each of their diameters." And...he already answered the third question early on, right? "Both are equally important, Admiral sir. The more, the merrier the bigger the crater!" BEAM.
More demonstrations. More rocks. Cute rock names. Now she wanted one! Watching the rocks do their fall onto the sand, and wishing again she had her camera, Vicky thought of many other physics, scientific little facts. Where was this coming from? Maybe too many documentaries in her life. EH.
Now, she really had to think about the questions, and correct her previous assumptions:
Quote:
Originally Posted by Notes Number 2
Uno/One. Dwayne Johnson, seeming has the greater mass due to its size, created the greater crater. Also adding the fact that meteorites have a greater mass due to the increased mineral content. Just side notes.
Dos/Two. Difference lies maybe in the shape of the crater, like as if the craters looked like a donut, pancake, etc. The mass of the rocks varies.
Tres/Three. The greater the mass, the bigger the crater will be...?
--------------------------
Second Experiment:
Uno/One: The higher the distance, the greater force it will have to create the crater. Dos/Two: Diameters varied because of the height. Tres/Three: The mass is important.
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Kyroh wasn't answer ANY more question. Or caring about ay of the falling rocks. He was too busy glaring. Glaring at Flamsteed who had just YELLED at Dot for a STUPID reason, and made her look like she was going to CRY.
It bugged him because the man did that ALOT. It would be alright if he did it for important reasons but it was always for stupid stuff! Glitter or pips falling. Flamsteed was a loose cannon and that did not seem like a good quality of a Professor. Frown still on his face, Kyroh raised his hand. "You need to say sorry. To Charlotte." Slytherin Prefect Charlotte. His Charlotte. Yes, Flammy needed to. "It's not okay to just tell at someone like that and then act like you didn't do anything. That's bullying Professor."
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The Admiral seemed less-than-satisfied with her responses. Well, it was his fault that Hogwarts didn't offer English as a Second Language. Somehow.
Marisol decided that she shouldn't even try to answer his next question. Instead she doodled in her notebook. She could scratch "Professional Drawing Person" off of her job list.
~ Mrs. Steve Harrington ~ It be like that sometimes.
WOOPS?
Haha.
Adi glanced at Owen. Two hyper Hufflepuffs getting waaaay ahead of things there. And would you look at that? They BOTH had given practically the same answers. "Sorry, Admiral,'' he said with a grin, not at all feeling abashed or anything. Really... why should he? He and Owen had just provided answers before the rest of the class. So... HOLDING ALL ROCKET BOOSTERS, ADMIRAL!
Checking his brows for the umpteenth time, the Hufflepuff then went on to make notes from the blackboard, pausing when Flamsteed said there was more to it all than size. AHA! This was where his and Owen's replies came in! He watched with interest as three more rocks were summoned and set up at varying heights. Annnnd they were off!
WOOT! He and Owen were right! Adi shot his baby badger a grin. Your Prefect was super proud of you, Ensign Montezor!
But then it was question and answer time again. Hand up, he offered the answers. "Dropping them from different heights showed that size alone doesn't matter, it's also about the speed at which they travel. Yep, there are differences in the diameters because of the height at which they were dropped and I think velocity is more important in creating larger craters.'' The reply to the first question kind of answered that last one, yes?
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Yoongi was okay now, yes? Penelope returned to her seat. Meteors, meteorites, meteoroids, and asteroids. She jotted down notes on the definitions of those terms. Pet rocks being dropped into the sand! Look, they were making craters! It was fun to see how pet rocks could be used to teach astronomy. Could Luna be out on her desk? Penelope got her pet rock Luna out and put the rock on top of her notes. "The diameter of the craters was bigger when the rocks had a higher velocity." Craters. Crashing into things. Sounded like one of those activities that she would not be entirely comfortable with. Penelope was a fifth year Lieutenant Commander now. This was the year that she would not panic when faced with an activity in astronomy class. She was supposed to be watching out for younger students or something like that, not dying or crying.
SPOILER!!: notes
The difference all comes down to a question of location. Each are made of the same basic materials – minerals and rock – and each originated in space.
asteroid
A large rocky body in space, in orbit around the Sun. Asteroids are always found in space.
meteoroids
meterOID is in the VOID
A much smaller rocks or particles in orbit around the Sun.
meteors
meteOR above you SOARs
If a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star.
meteorites
meteorITE is in your SIGHT
If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite.
Dwayne Johnson, the largest rock, made the largest crater. The size of the rocks was the only difference in creating the craters.The rock with the highest mass made the largest crater. Bigger meteorites make larger craters.
Leaning forward again, Norah fiddled with her quill as she watched the three new rocks fall to the ground. Alrighty. Velocity stuff. Cool beans. She paused to scribble down some thoughts on the professor's new questions. They didn't look too bad...right? Maybe worth sharing with the class. Just maybe.
She listened to the rest of the students and tried to spin her quill between her fingers. Kyroh got a wide-eyed look for telling off a Professor, yes he did. That was really brave. Did he know? Norah kept staring at him with a little smile just in case he could catch the impressed vibes she was sending in his direction. Well, impressed and a little bit scared, but it still counted. With that, she turned her attention back to the front and put a hand in the air. She could be brave too, uh huh. Even though she didn't know a whole lot about the maths part of velocity things, she could still try and answer the question. So THERE. "It looks like the different heights made the rocks go at different velocities so then they made different sized craters again. The highest one went the fastest, I think, so that had the biggest crater." That WAS how velocity worked, right? Speed and falling and things. This would've been useful to know that time she'd fallen out of a tree. "And I think velocity is more important than the size, too. I've heard that if you drop a knut from super duper high up you can hurt somebody down below really badly, even though a knut is really small, just 'cause it's going at such a high...velocity. So that's how I know velocity is extra important in making impact to make craters too." It just made SENSE, y'know? Who needed maths anyway
Now that the lecture about rocks was over, and they were getting into actual experiments, Daxton found he was slightly more interested. Slightly. Because... well, it was still rocks. He would have liked to actually do some stargazing, maybe use a super magically enhanced telescope to look at an asteroid in space in vivid detail. Or a planet. Or something more interesting. But the actual experimentation was enough to pique his interest that little bit, because it was science, and science was interesting.
Aside from Airey Flamsteed being ridiculous with naming the rocks again, and claiming they were somehow related by blood, Daxton was finding it easy to follow. Again he watched the demonstration, and again he wrote his answers in his notes.
SPOILER!!: Notes
Daxton Prince
First Year
Ravenclaw
Astronomy
Rocks
Rocks can tell us about the history of the earth, either through the fossils they might consist of or contain, or their own physical structure, or what processes occurred to create a particular rock - elements, chemicals, pressure, atmospheric influence, etc... - the deeper you go, the older the rock, most probably, and therefore deep down towards the centre of the earth, there may be answers as to the planet's creation/formation/deeper history, which links back to Astronomy
Float in space, and help create planets, including Earth. Rocks obtained from the Moon support this claim, due to a 'tiny excess of a heavier variant of the element zinc' - research further
Entire ecosystems altered due to 'space rocks', eg: the asteroid that destroyed three quarters of life on earth, and ended numerous species and the Cretaceous age (65 million years ago, not 6.5 million) - left the 'Chicxulub crater' (though some argue that the crater it left is not the Chicxulub crater, despite evidence saying otherwise). This also lead to our existence in the long-term
^ Marked end of the Cretaceous period and beginning of the Paleogene period. Geologists and planetary geologists refer to this as the Cretaceous–Paleogene boundary (K–Pg boundary)
Fossils - self-explanatory
"We are all rocks" - ??????????????? no
^ Calcium found in rocks and makes up 3.63% of Earth's crust is also found in human teach. Iron that makes up 5% of Earth's crust is also found in human (and likely other creatures') blood. These elements were created in the interiors of collapsing stars. Humans "made of stars"
No
I am not a rock
Or a star
That does not even make sense. We consist of some of the same elements, we are "made of stars" in the most rudimental sense. That statement is misleading and confusing.
The four inner planets of the Solar System (closest to the Sun) are made of rock
Some markings on some rocks may be able to determine the age of the planet it comes from
Panspermia - the theory that rocks brought life to Earth (and likely other planets throughout the universe) by way of early organisms, proteins, water, etc... the "building blocks of life"; research in August 2015 supports this claim, showing "evidence that early comet impacts influenced amino acids to change into peptides"
The Moon is a rock, obviously - perhaps possible to compare Moon rocks to Earth rocks and discover the absolute truth of how the Moon came to be
Rocks are classed as baryonic matter
Astronomers measuring the density and composition of the universe using leftover radiation from the Big Bang discovered that the baryonic matter of which rocks belongs to makes up only 4.6% of it - research further
Rocks made of silicates, rock-forming minerals made of oxygen and silicone, more hydrogen atoms than silicone atoms in the Solar System, so much more hydrogen found than rock. Rock makes up the majority of inner terrestrial planets due to the fact that hydrogen and methane (and ammonia) cannot condense because of the thermal energy closer to the sun. The rocks (the planets' bodies) cannot hold onto these elements, therefore it is the silicates that end up forming the rocks of the inner planets, hence why there are no gaseous planets closer to the sun
Outer planets also have rock at the centre, just less
Rocks make good pets? Better than an animal I suppose...
Rocks made up of all the different minerals in the universe flew together at the beginning of time(? IF the beginning of time was the beginning of the universe, which I doubt) to create the planets
Rocks dating back to K–Pg boundary period indicate global catastrophe, ie: layer of grayish clay found in all of the K-T boundary era rocks, which contain unusually high concentrations of iridium. As this element is extremely rare in surface rocks on Earth, leading to the conclusion that the rocks were from elsewhere (indicating a large meteorite impact... rocks from space)
Basic Terminology
- asteroid = large rocky body, always found in space, orbits the Sun, but not a planet
- meteoroids = smaller than an asteroid, but still rocky bodies (rocks) or particles which orbit the Sun ("meteroid is in the void" except it's actually just in space which isn't officially a void because the space in our solar system does contain some particles)
- meteors = occurs when a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star" ("meteor above you soars")
- meteorites = "If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite." ("meteorite is in your sight" although I suspect any of them could be in your sight if you look hard enough and/or use a telescope)
What each of these is depends on where they are. You cannot find a meteoroid within the Earth's atmosphere, because it will either vaporise and burn up upon entry, at which point it would become a meteor, or it will hold together and thus become a meteorite, and hit earth. Asteroids generally stay in space, orbiting the Sun, but if it were to impact with the Earth (meaning it entered the Earth's atmosphere without vaporising) it would also become a meteorite, though generally when these impact with the Earth, they are still referred to as asteroids, which is confusing. Also, all four of these bodies are made up of minerals and rock, and all originated in space. Obviously. In fact, you could argue that everything originates in space, as that is exactly where we are, but that is besides the point.
Shiny black crust on meteorites as a result of going through the Earth's atmosphere
Meteorites potentially heavier than normal Earth rocks due to their contents
Meteors give off a glow due to burning up - down to friction and speed and obviously not magic, duh
Hoba meteorite - largest known, found in Nambia, 60 tonnes, discovered in the 1920s, believed to have impacted approximately 80,000 years ago
Asteroids can have their own moons (for example: the 19 mile wide Ida, which has a 1 mile wide moon, Dactyl)
Some asteroid considered to be dwarf planets - Ceres, Pluto, etc
None of these are to be confused with comets, which are something else entirely
"Meteor showers are Earth's way of getting clean" ??????????????? - research further
Meteorites can be as small as particles, specks of dust, grains of sand - as long as it is bigger than an atom, and smaller than an asteroid, it counts
Asteroids are considered 'minor planets' (essentially any astronomical object that orbits the Sun but is not one of the 'official', 'main' planets nor originally classified as a comet - includes asteroids, dwarf planets, and centaurs [obviously the celestial kind, not the mythical creature kind)
Pluto is a dwarf planet, technically an asteroid though some argue its status as a comet
Some people wish on what they think are 'falling/shooting stars', but actually they are just meteors. It makes no sense why people would make wishes on falling stars anyway, because they cannot grant them. Making wishes does not work.
Asteroids sometimes travel in groups
The largest known asteroid is as large as the state of Texas in the United States, and it is 582 miles across
Falling Rock Experiment 1
1. Which rock created the largest crater?
The largest rock ("Dwayne Johnson", apparently)
2. What is the only difference in the way each crater was made?
The only difference was that each rock is a different size. They were all released from the same height, at the same time, and fell at what I presume is the same velocity, it is true that the only magic used on them was that which stopped them from being suspended in the air/caused gravity to take hold. You could also argue that the rocks were all released and fell to the sand in different places, even though they were near each other. Though this may not have caused any significant difference, it should still be factored in, in case of some sort of strange gravity anomaly/pocket in the classroom, which may potentially have caused one of the rocks to slow down and lose velocity
3. What can be said about the importance of the mass of a meteorite in making a crater?
Firstly, it should be noted that the weight of an object does not affect how fast it falls to the ground; different weighted objects will fall to the ground at the same speed. Therefore we know that it was not speed or velocity that influenced the sizes of the craters. The only other (significant) variable is the size (mass) of the rocks. Given that the rocks are all different sizes, and so are the craters, if you apply this experiment to meteorites and Earth the most probable answer is that the higher the mass of the meteorite (rock), the larger the resulting crater will be. There could potentially be other factors, however, other than just mass.
Falling Rock Experiment 2
1. What did dropping the rocks from different heights accomplish?
Dropping the rocks (which are all the same mass) from three different heights lead to their creating three differently sized craters. The rock dropped from the lowest height left the smallest crater, in terms of diameter, and the rock dropped from the highest height left the largest crater, in terms of diameter
2. Do you see any difference in the diameters of the three craters?
Yes
3. Which do you think is more important in creating larger craters, more mass or more velocity?
The first experiment showed that rock with the bigger mass left a larger crater despite being dropped from the same height as the others. The second experiment showed that a rock with the same mass as its competitors could create a larger crater if dropped from a higher point. I think that proves that both factors play a role in the size of the crater, and as it is difficult to tell precisely the difference in the size of the craters versus the size of the rocks versus the precise heights from which they were dropped, using only the vague results from these experiments we can't say for sure which factor has more influence on the size of the crater. "Dwayne Johnson" might create the same size crater that "Kunzite" would create from an even greater height. But if you add height and velocity to "Dwayne Johnson" the crater would be even larger, so velocity can add even more of an impact and create an even larger crater.
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Sophie Brown didn't do ANYTHING. She just saved the pip floating toward her from a terrible fate of floating away forever. She was KEEPING IT SAFE, okay? And so she did. Right in her pocket. Safe and sound, see?
The newest simulation was even BETTER THAN THE LAST. Some variety made it very exciting, and even though she was unsurprised with the results, it STILL CONTINUED TO BE EXCITING. The pooooor, poor rocks, though, right? Their feelings were probably pretty hurt, no matter how much Airey had reassured them that it was going to be okay. ROCKS PROBABLY HAD FEELINGS, TOO, AIREY.
Or, at least, that's the impression Soph always got from the way Airey interacted with Pebbles.
But she was supposed to be CONSIDERING things, so she did. The different heights... showed that the SIZE of the body making an impact wasn't necessarily a deciding factor on how big the crater size would be, but the HEIGHT and the DISTANCE the crater had to travel and stuff made a difference. The rock that traveled the furthest made the biggest crater, and... and Soph thought more mass AND more velocity were BOTH important. So nyah. No mass or velocity gets left behind or forgotten.
Angel just stared, simply stared at Admiral Flamsteed, wasn't he supposed to protect her from things like this being an Admiral an all. All this was doing was reminding her of the devastation that was caused by a certain someone on the train ride here.
Angel raised her hand "The one closest to the ground didn't cause much damage because he was being friendly and giving the ground a friendly nudge, but as we got further away from the ground the damage done was greater because well that rock was hurtling towards the ground at such a high speed it caused a lot of destruction."
Angel tried to figure out question two but couldn't. "Sorry Admiral, I can't figure out question two because all I can see is the destruction that has been caused by all three rocks." Angel sighed truthfully, it was seriously like life really one minute you were side by side the next it was hurting you badly. She had no idea how close Astronomy was to real life.
Angel then listened to question three. "I think the speed is the most important part because the more speed it has the faster and the more devastation the break.... I mean the more devastation the rock will have when it impacts with the ground." Angel then went back to looking at the mess that everything had caused.
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STARE.
The first-year Gryffindor couldn't help but just stare at Flamsteed dude. She tried not to pay attention and listen but apparently she couldn't. While Flamsteed demonstrated the crater formation, Ava grabbed a fresh parchment and doodled about them. So the first crater formation would be like this just like... When a bigger dude punch someone, it hurts more than the smaller dude. She grabbed another parchment and create a doodle about the second one.
She wondered why they had to learn about this and if there's anything related with wizardry stuffs.
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It seemed like velocity was more important since like Flamsteed said they were all the same size. Tough at this point Dante was just going to have to trust him on that since it was way to much to check that for him right now.
All the question got pushed to the side when he heard Kyroh talk.
Go, Kyroh!
Demand that apology for Dot and you even indirectly called Airey a bully. Now this was entertainment.
He just pretend to write stuff down focused on what Airey would say to Kyroh.
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Ilia was even more confused by Claw Boy McCrazyhead (Kyroh) when he caught her look of disdain and.....gave her a big smile.... What....was....that all about? While looking at him she forced a sort of smile onto her face? It was somewhere between utter confusion, mildly disturbed, and smile really.....She tried at least?
When she heard his answer, her face fell into total disbelief. Was this kid for real? Did he have no regard for the classroom or was he just barking mad? Asteroids were like fish and 'talked' to each other? She was going to go with , he was a bit of a looney and look away. Don't make eye contact with crazy people. Well....that would honestly be hard. She realized within the first few months that most of her professors and classmates seemed a bit touched in one way or another.
SPOILER!!: Dwayne Johnson's drop lol
Did the odd rock names have anything to do with the odd badges and other things she didn't get? Was it all interconnected into one big joke that she didn't get? Or was he all sorts of random odd? She wasn't going to be vocal right now and instead opted to write her answers down.
Text Cut: Parchment
The largest or most massive 'Dwayne Johnson' created the largest crater of the three.
The only difference in the way each crater was made, is that size or mass of the three rocks was different.
The more mass the object has, the larger the Crater diameter.
Annnddd they were dropping more rocks. Dropping rocks in the sandbox....she saw that he was making a point, and it was more interesting than just reading it....but still just so odd....
As she heard Claw boy call the professor a bully for yelling at her houses prefect she immediately turned her head back to watch. It was like a train wreck that she couldn't turn away from.....
Okay back to answers. She raised her hand and waited patiently for her turn.
"Forgive me, but I am going to answer this systematically." She took a breath and looked forward. "Answer one: Dropping the three rocks from different heights achieved different velocity , via larger and shorter distances.
Answer two: The diameters increase with the increased velocity, as they do with increased mass.
Answer three: Neither, as both are equally important. The larger the mass and the more velocity the larger the crater. If you were to decrease either your crater would be smaller."
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SPOILER!!: ANGEL D:
Quote:
Originally Posted by Harry174
Angel just stared, simply stared at Admiral Flamsteed, wasn't he supposed to protect her from things like this being an Admiral an all. All this was doing was reminding her of the devastation that was caused by a certain someone on the train ride here.
Angel raised her hand "The one closest to the ground didn't cause much damage because he was being friendly and giving the ground a friendly nudge, but as we got further away from the ground the damage done was greater because well that rock was hurtling towards the ground at such a high speed it caused a lot of destruction."
Angel tried to figure out question two but couldn't. "Sorry Admiral, I can't figure out question two because all I can see is the destruction that has been caused by all three rocks." Angel sighed truthfully, it was seriously like life really one minute you were side by side the next it was hurting you badly. She had no idea how close Astronomy was to real life.
Angel then listened to question three. "I think the speed is the most important part because the more speed it has the faster and the more devastation the break.... I mean the more devastation the rock will have when it impacts with the ground." Angel then went back to looking at the mess that everything had caused.
The man’s palms were most DEFINITELY growing sweaty and no amount of flapping and swatting would keep all THAT angst away from him. He just...got the feeling that she wasn’t talking about rocks, you know?
Uuuuuuuuuuuuuuuuh…
“Do you need to be relieved from duty, Lieutenant commander Valentine?” he asked in a tone showing a surprising amount of sympathy for a man who did not have a clue what had brought on this mood. May be one of those times he broke his no gossip rule and went to ask the portraits in the Gryffindor common room for some insight. “I mean dismissed?”
Unless the Gryffindor actually came to him about this.
Which he would cross his fingers, toes, and eyes in hope she would not because he did not speak teenage angst
SPOILER!!: AVA!
Quote:
Originally Posted by RandomRaven
STARE.
The first-year Gryffindor couldn't help but just stare at Flamsteed dude. She tried not to pay attention and listen but apparently she couldn't. While Flamsteed demonstrated the crater formation, Ava grabbed a fresh parchment and doodled about them. So the first crater formation would be like this just like... When a bigger dude punch someone, it hurts more than the smaller dude. She grabbed another parchment and create a doodle about the second one.
She wondered why they had to learn about this and if there's anything related with wizardry stuffs.
He did manage to catch a proper glimpse of Ensign Burton’s parchment and positively BEAMED at it. “That is quite stellar and insightive, Ensign Burton,” he whispered, pointing to her parchment. “May I use that?”
SPOILER!!: the quiet note takes and observers
Quote:
Originally Posted by DanialRadFAN01
Ensign?
Umm, his name was Milo. He wasn't going to speak up though because he had been somewhat praised for cheering on the big rock. He sat quietly as he listened to the rest but then heard 'Ensign' again. Oh, right those were titles like Admiral. Right.
*awkward*
He was immensely glad he hadn't corrected the man.
Next experiment. He listened to the set up and watched as the rocks fell and made their craters before adding to his answers from the last drop.
SPOILER!!: More Answers
1.)Since they were dropped from different heights they created different sized craters.
2.)The is a difference in each crater; they are all different sizes.
3.)The velocity which is caused by the height it fails is more important I guess because if the rocks were the same mass then the only thing making the craters different sizes was that some where dropped from higher places.
Quote:
Originally Posted by keepmeclose22
Austin continued to opt for the parchment route. He wanted to spend his fourth year making friends, and trying to be social. But that required a lot of energy, and he wasn't up or it today. He watched in amazement as three more rock friends were pulled out. For some reason, he desperately wanted one. But right now, they had to focus on the lesson. Lesson now, rocks later.
It was interesting to see that both mass and velocity affected the size of the crater. But which was more important? That was the real question here.
Quote:
Originally Posted by Squishy
As the answers to the questions appeared on the blackboard, Paulina made sure to jot everything down in her notebook even though it was more or less what she had already made note of. Maybe this stuff would be on the NEWTs though goodness knows if she would even bother with Astronomy.
As different rocks were selected for the next demonstration, Paulina watched as they were placed at different heights. Obviously these results would differ from the last ones since distance from the ground played a role in crater formation.
More answers were jotted down in her notes:
SPOILER!!: Paulina's Notes
1. Dropping the rocks from different heights caused a variation in the sizes of the craters.
2. As with the last demonstration, the craters are all different sizes.
3. I think that the velocity of the rock is more important than the mass. The faster an object falls, the bigger the impact it has when it reaches the ground.
Quote:
Originally Posted by Yaya
More demonstrations. More rocks. Cute rock names. Now she wanted one! Watching the rocks do their fall onto the sand, and wishing again she had her camera, Vicky thought of many other physics, scientific little facts. Where was this coming from? Maybe too many documentaries in her life. EH.
Now, she really had to think about the questions, and correct her previous assumptions:
Quote:
Originally Posted by HogwartsStudent11
The Admiral seemed less-than-satisfied with her responses. Well, it was his fault that Hogwarts didn't offer English as a Second Language. Somehow.
Marisol decided that she shouldn't even try to answer his next question. Instead she doodled in her notebook. She could scratch "Professional Drawing Person" off of her job list.
Quote:
Originally Posted by Felixir
Now that the lecture about rocks was over, and they were getting into actual experiments, Daxton found he was slightly more interested. Slightly. Because... well, it was still rocks. He would have liked to actually do some stargazing, maybe use a super magically enhanced telescope to look at an asteroid in space in vivid detail. Or a planet. Or something more interesting. But the actual experimentation was enough to pique his interest that little bit, because it was science, and science was interesting.
Aside from Airey Flamsteed being ridiculous with naming the rocks again, and claiming they were somehow related by blood, Daxton was finding it easy to follow. Again he watched the demonstration, and again he wrote his answers in his notes.
SPOILER!!: Notes
Daxton Prince
First Year
Ravenclaw
Astronomy
Rocks
Rocks can tell us about the history of the earth, either through the fossils they might consist of or contain, or their own physical structure, or what processes occurred to create a particular rock - elements, chemicals, pressure, atmospheric influence, etc... - the deeper you go, the older the rock, most probably, and therefore deep down towards the centre of the earth, there may be answers as to the planet's creation/formation/deeper history, which links back to Astronomy
Float in space, and help create planets, including Earth. Rocks obtained from the Moon support this claim, due to a 'tiny excess of a heavier variant of the element zinc' - research further
Entire ecosystems altered due to 'space rocks', eg: the asteroid that destroyed three quarters of life on earth, and ended numerous species and the Cretaceous age (65 million years ago, not 6.5 million) - left the 'Chicxulub crater' (though some argue that the crater it left is not the Chicxulub crater, despite evidence saying otherwise). This also lead to our existence in the long-term
^ Marked end of the Cretaceous period and beginning of the Paleogene period. Geologists and planetary geologists refer to this as the Cretaceous–Paleogene boundary (K–Pg boundary)
Fossils - self-explanatory
"We are all rocks" - ??????????????? no
^ Calcium found in rocks and makes up 3.63% of Earth's crust is also found in human teach. Iron that makes up 5% of Earth's crust is also found in human (and likely other creatures') blood. These elements were created in the interiors of collapsing stars. Humans "made of stars"
No
I am not a rock
Or a star
That does not even make sense. We consist of some of the same elements, we are "made of stars" in the most rudimental sense. That statement is misleading and confusing.
The four inner planets of the Solar System (closest to the Sun) are made of rock
Some markings on some rocks may be able to determine the age of the planet it comes from
Panspermia - the theory that rocks brought life to Earth (and likely other planets throughout the universe) by way of early organisms, proteins, water, etc... the "building blocks of life"; research in August 2015 supports this claim, showing "evidence that early comet impacts influenced amino acids to change into peptides"
The Moon is a rock, obviously - perhaps possible to compare Moon rocks to Earth rocks and discover the absolute truth of how the Moon came to be
Rocks are classed as baryonic matter
Astronomers measuring the density and composition of the universe using leftover radiation from the Big Bang discovered that the baryonic matter of which rocks belongs to makes up only 4.6% of it - research further
Rocks made of silicates, rock-forming minerals made of oxygen and silicone, more hydrogen atoms than silicone atoms in the Solar System, so much more hydrogen found than rock. Rock makes up the majority of inner terrestrial planets due to the fact that hydrogen and methane (and ammonia) cannot condense because of the thermal energy closer to the sun. The rocks (the planets' bodies) cannot hold onto these elements, therefore it is the silicates that end up forming the rocks of the inner planets, hence why there are no gaseous planets closer to the sun
Outer planets also have rock at the centre, just less
Rocks make good pets? Better than an animal I suppose...
Rocks made up of all the different minerals in the universe flew together at the beginning of time(? IF the beginning of time was the beginning of the universe, which I doubt) to create the planets
Rocks dating back to K–Pg boundary period indicate global catastrophe, ie: layer of grayish clay found in all of the K-T boundary era rocks, which contain unusually high concentrations of iridium. As this element is extremely rare in surface rocks on Earth, leading to the conclusion that the rocks were from elsewhere (indicating a large meteorite impact... rocks from space)
Basic Terminology
- asteroid = large rocky body, always found in space, orbits the Sun, but not a planet
- meteoroids = smaller than an asteroid, but still rocky bodies (rocks) or particles which orbit the Sun ("meteroid is in the void" except it's actually just in space which isn't officially a void because the space in our solar system does contain some particles)
- meteors = occurs when a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star" ("meteor above you soars")
- meteorites = "If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite." ("meteorite is in your sight" although I suspect any of them could be in your sight if you look hard enough and/or use a telescope)
What each of these is depends on where they are. You cannot find a meteoroid within the Earth's atmosphere, because it will either vaporise and burn up upon entry, at which point it would become a meteor, or it will hold together and thus become a meteorite, and hit earth. Asteroids generally stay in space, orbiting the Sun, but if it were to impact with the Earth (meaning it entered the Earth's atmosphere without vaporising) it would also become a meteorite, though generally when these impact with the Earth, they are still referred to as asteroids, which is confusing. Also, all four of these bodies are made up of minerals and rock, and all originated in space. Obviously. In fact, you could argue that everything originates in space, as that is exactly where we are, but that is besides the point.
Shiny black crust on meteorites as a result of going through the Earth's atmosphere
Meteorites potentially heavier than normal Earth rocks due to their contents
Meteors give off a glow due to burning up - down to friction and speed and obviously not magic, duh
Hoba meteorite - largest known, found in Nambia, 60 tonnes, discovered in the 1920s, believed to have impacted approximately 80,000 years ago
Asteroids can have their own moons (for example: the 19 mile wide Ida, which has a 1 mile wide moon, Dactyl)
Some asteroid considered to be dwarf planets - Ceres, Pluto, etc
None of these are to be confused with comets, which are something else entirely
"Meteor showers are Earth's way of getting clean" ??????????????? - research further
Meteorites can be as small as particles, specks of dust, grains of sand - as long as it is bigger than an atom, and smaller than an asteroid, it counts
Asteroids are considered 'minor planets' (essentially any astronomical object that orbits the Sun but is not one of the 'official', 'main' planets nor originally classified as a comet - includes asteroids, dwarf planets, and centaurs [obviously the celestial kind, not the mythical creature kind)
Pluto is a dwarf planet, technically an asteroid though some argue its status as a comet
Some people wish on what they think are 'falling/shooting stars', but actually they are just meteors. It makes no sense why people would make wishes on falling stars anyway, because they cannot grant them. Making wishes does not work.
Asteroids sometimes travel in groups
The largest known asteroid is as large as the state of Texas in the United States, and it is 582 miles across
Falling Rock Experiment 1
1. Which rock created the largest crater?
The largest rock ("Dwayne Johnson", apparently)
2. What is the only difference in the way each crater was made?
The only difference was that each rock is a different size. They were all released from the same height, at the same time, and fell at what I presume is the same velocity, it is true that the only magic used on them was that which stopped them from being suspended in the air/caused gravity to take hold. You could also argue that the rocks were all released and fell to the sand in different places, even though they were near each other. Though this may not have caused any significant difference, it should still be factored in, in case of some sort of strange gravity anomaly/pocket in the classroom, which may potentially have caused one of the rocks to slow down and lose velocity
3. What can be said about the importance of the mass of a meteorite in making a crater?
Firstly, it should be noted that the weight of an object does not affect how fast it falls to the ground; different weighted objects will fall to the ground at the same speed. Therefore we know that it was not speed or velocity that influenced the sizes of the craters. The only other (significant) variable is the size (mass) of the rocks. Given that the rocks are all different sizes, and so are the craters, if you apply this experiment to meteorites and Earth the most probable answer is that the higher the mass of the meteorite (rock), the larger the resulting crater will be. There could potentially be other factors, however, other than just mass.
Falling Rock Experiment 2
1. What did dropping the rocks from different heights accomplish?
Dropping the rocks (which are all the same mass) from three different heights lead to their creating three differently sized craters. The rock dropped from the lowest height left the smallest crater, in terms of diameter, and the rock dropped from the highest height left the largest crater, in terms of diameter
2. Do you see any difference in the diameters of the three craters?
Yes
3. Which do you think is more important in creating larger craters, more mass or more velocity?
The first experiment showed that rock with the bigger mass left a larger crater despite being dropped from the same height as the others. The second experiment showed that a rock with the same mass as its competitors could create a larger crater if dropped from a higher point. I think that proves that both factors play a role in the size of the crater, and as it is difficult to tell precisely the difference in the size of the craters versus the size of the rocks versus the precise heights from which they were dropped, using only the vague results from these experiments we can't say for sure which factor has more influence on the size of the crater. "Dwayne Johnson" might create the same size crater that "Kunzite" would create from an even greater height. But if you add height and velocity to "Dwayne Johnson" the crater would be even larger, so velocity can add even more of an impact and create an even larger crater.
Quote:
Originally Posted by feeheeheeny
Sophie Brown didn't do ANYTHING. She just saved the pip floating toward her from a terrible fate of floating away forever. She was KEEPING IT SAFE, okay? And so she did. Right in her pocket. Safe and sound, see?
The newest simulation was even BETTER THAN THE LAST. Some variety made it very exciting, and even though she was unsurprised with the results, it STILL CONTINUED TO BE EXCITING. The pooooor, poor rocks, though, right? Their feelings were probably pretty hurt, no matter how much Airey had reassured them that it was going to be okay. ROCKS PROBABLY HAD FEELINGS, TOO, AIREY.
Or, at least, that's the impression Soph always got from the way Airey interacted with Pebbles.
But she was supposed to be CONSIDERING things, so she did. The different heights... showed that the SIZE of the body making an impact wasn't necessarily a deciding factor on how big the crater size would be, but the HEIGHT and the DISTANCE the crater had to travel and stuff made a difference. The rock that traveled the furthest made the biggest crater, and... and Soph thought more mass AND more velocity were BOTH important. So nyah. No mass or velocity gets left behind or forgotten.
...But was Kyroh... really...???
That kid had some guts.
Quote:
Originally Posted by Meizzner
It seemed like velocity was more important since like Flamsteed said they were all the same size. Tough at this point Dante was just going to have to trust him on that since it was way to much to check that for him right now.
All the question got pushed to the side when he heard Kyroh talk.
Go, Kyroh!
Demand that apology for Dot and you even indirectly called Airey a bully. Now this was entertainment.
He just pretend to write stuff down focused on what Airey would say to Kyroh.
Tugging on the collar of his Admiral’s uniform a bit, his blue eyes looked around the room at the students who were taking diligent notes and….doodling?
Wait...was that a doodle of HIM?
Squinting at the fifth year Slytherin, he tried his best to make out the figure on her parchment...but it was rather difficult to see it in any detail from where distance from which he was floating...
SPOILER!!: KYROH XD
Quote:
Originally Posted by Kaos.Doodles
Kyroh wasn't answer ANY more question. Or caring about ay of the falling rocks. He was too busy glaring. Glaring at Flamsteed who had just YELLED at Dot for a STUPID reason, and made her look like she was going to CRY.
It bugged him because the man did that ALOT. It would be alright if he did it for important reasons but it was always for stupid stuff! Glitter or pips falling. Flamsteed was a loose cannon and that did not seem like a good quality of a Professor. Frown still on his face, Kyroh raised his hand. "You need to say sorry. To Charlotte." Slytherin Prefect Charlotte. His Charlotte. Yes, Flammy needed to. "It's not okay to just tell at someone like that and then act like you didn't do anything. That's bullying Professor."
…and now he was paying NO attention to the doodle.
His eyes snapped around to the Ravenclaw and all he could do was GAWK at him for several uncomfortable moments.
NONE OF IT WAS STUPID STUFF! STUPID STUFF WAS A RATHER SUBJECTIVE TERM, YOUNG MAN!
Ahem.
But thankfully THAT had not been uttered out loud. What had been was bad enough given the circumstances.
“Apologize for reminding her to follow instructions?” he asked slowly, trying his best NOT to look at the probably-almost-crying Slytherin. Because really, if she had not worn so many pips and just the ones instructed to do so then there would be absolutely no tension in the classroom right now.
Or tears.
SPOILER!!: MORE VELOCIIIIIIIIIIIIIIIIIIITY PEOPLE
Quote:
Originally Posted by Tazzie
Oh. Hehe. The young badger blushed slightly at the Admiral's comment. He was just a little excited because for once he wasn't really lost with the discussion considering they weren't talking about wizard-y things yet which he most definitely didn't have any knowledge about. At least at this point they were dwelling on some aspect of muggle physics.
Moving on, more rock friends!
Rockanne's siblings...with the same mass too! Owen was thrilled. If Rockanne wasn't up for adoption, then maybe he could adopt one from the other three? Fingers crossed!
And more questions. Phew. Owen's once again raised his hand, "Dropping the rocks from different heights made difference in the size of the crater that they created." He'd really love to have Kunzite if Rockanne wasn't available for adoption because look at that crater...awesome rock. Owen just HAD to beam at him. "Because the sizes of the crater our rock friends created vary, there are difference in each of their diameters." And...he already answered the third question early on, right? "Both are equally important, Admiral sir. The more, the merrier the bigger the crater!" BEAM.
Quote:
Originally Posted by FearlessLeader19
WOOPS?
Haha.
Adi glanced at Owen. Two hyper Hufflepuffs getting waaaay ahead of things there. And would you look at that? They BOTH had given practically the same answers. "Sorry, Admiral,'' he said with a grin, not at all feeling abashed or anything. Really... why should he? He and Owen had just provided answers before the rest of the class. So... HOLDING ALL ROCKET BOOSTERS, ADMIRAL!
Checking his brows for the umpteenth time, the Hufflepuff then went on to make notes from the blackboard, pausing when Flamsteed said there was more to it all than size. AHA! This was where his and Owen's replies came in! He watched with interest as three more rocks were summoned and set up at varying heights. Annnnd they were off!
WOOT! He and Owen were right! Adi shot his baby badger a grin. Your Prefect was super proud of you, Ensign Montezor!
But then it was question and answer time again. Hand up, he offered the answers. "Dropping them from different heights showed that size alone doesn't matter, it's also about the speed at which they travel. Yep, there are differences in the diameters because of the height at which they were dropped and I think velocity is more important in creating larger craters.'' The reply to the first question kind of answered that last one, yes?
Quote:
Originally Posted by griffin
Yoongi was okay now, yes? Penelope returned to her seat. Meteors, meteorites, meteoroids, and asteroids. She jotted down notes on the definitions of those terms. Pet rocks being dropped into the sand! Look, they were making craters! It was fun to see how pet rocks could be used to teach astronomy. Could Luna be out on her desk? Penelope got her pet rock Luna out and put the rock on top of her notes. "The diameter of the craters was bigger when the rocks had a higher velocity." Craters. Crashing into things. Sounded like one of those activities that she would not be entirely comfortable with. Penelope was a fifth year Lieutenant Commander now. This was the year that she would not panic when faced with an activity in astronomy class. She was supposed to be watching out for younger students or something like that, not dying or crying.
SPOILER!!: notes
The difference all comes down to a question of location. Each are made of the same basic materials – minerals and rock – and each originated in space.
asteroid
A large rocky body in space, in orbit around the Sun. Asteroids are always found in space.
meteoroids
meterOID is in the VOID
A much smaller rocks or particles in orbit around the Sun.
meteors
meteOR above you SOARs
If a meteoroid or asteroid enters the Earth’s atmosphere and vaporizes, it becomes a meteor, which is often mislabeled a shooting star.
meteorites
meteorITE is in your SIGHT
If an asteroid or large meteoroid survives its fiery passage through the Earth’s atmosphere and lands on Earth’s surface, it is then called a meteorite.
Dwayne Johnson, the largest rock, made the largest crater. The size of the rocks was the only difference in creating the craters.The rock with the highest mass made the largest crater. Bigger meteorites make larger craters.
Quote:
Originally Posted by Sararara
Leaning forward again, Norah fiddled with her quill as she watched the three new rocks fall to the ground. Alrighty. Velocity stuff. Cool beans. She paused to scribble down some thoughts on the professor's new questions. They didn't look too bad...right? Maybe worth sharing with the class. Just maybe.
She listened to the rest of the students and tried to spin her quill between her fingers. Kyroh got a wide-eyed look for telling off a Professor, yes he did. That was really brave. Did he know? Norah kept staring at him with a little smile just in case he could catch the impressed vibes she was sending in his direction. Well, impressed and a little bit scared, but it still counted. With that, she turned her attention back to the front and put a hand in the air. She could be brave too, uh huh. Even though she didn't know a whole lot about the maths part of velocity things, she could still try and answer the question. So THERE. "It looks like the different heights made the rocks go at different velocities so then they made different sized craters again. The highest one went the fastest, I think, so that had the biggest crater." That WAS how velocity worked, right? Speed and falling and things. This would've been useful to know that time she'd fallen out of a tree. "And I think velocity is more important than the size, too. I've heard that if you drop a knut from super duper high up you can hurt somebody down below really badly, even though a knut is really small, just 'cause it's going at such a high...velocity. So that's how I know velocity is extra important in making impact to make craters too." It just made SENSE, y'know? Who needed maths anyway
“YES! Precisely,” he nodded, giving each of them a thumbs up each of the students. “And thank you Lieutenant commander Kittredge for that additional illustration of the importance of velocity. Take 1 point. And take 2 points each, Captain Rehman and Ensign Montezor for this and your foreshadowing answers.”
That was not the proper use of the word, was it? Too late now. It was already out.
Waving his wand at the blackboard once more to erase the previous notes, Admiral Flamsteed replaced them with nutshell answers once more.
Quote:
Originally Posted by blackboard
What did dropping our three rocky friends from different heights accomplish?
Varied the velocity at impact Do you see any difference in the diameters of the three craters?
Yes. As velocity increased, so did crater diameter Which do you think is more important in creating larger craters, more mass or more velocity?
Velocity increases have more effect on crater diameter than mass increases. Velocity has a greater contribution to the energy of impact.
Giving the class an approving nod, he wiggled himself off to the side a little bit and waved his wand to summon the rocky volunteers back up to his desk; taking great care, for the record, that there were no collisions between them and students and their desks.
“Excellent work,” he applauded, diving right into the remaining bit of lecture. “So we have reiterated that mass and velocity play roles in the size of a crater - velocity playing a more influential role than mass but both still important. In speaking about our own planet, objects tend to hit at approximately 12 miles per second, or 20 kilometers per second, to create a crater approximately 20 times larger in diameter than the impacting object. Smaller planets and moons have less gravitational pull than large planets and therefore meteorites will strike at lower speeds, so this is where mass will sometimes play a larger role. So, size does matter...but just not as much as velocity.” Following so far? Stellar. “Now, some of you may look up at the Moon and think ‘SWEET SOLSTICE IT IS TAKING A BEATING!’, but that too is a bit relative. Impact craters are not a rare occurrence and happen everywhere in our solar system. The Moon appears to have so many more due to its surface essentially remaining unmodified for its entire 3 billion years of existence. Venus, lava flows that have obscured previous impact craters. BUT, as a general rule of thumb, one can say that older surfaces have more impact craters.”
He looked around the semi circle of desks, wondering just how many glazed over expressions he had earned himself in the past few minutes as he checked his sundial watch. Yes. That was enough lecture for the day. Time for something a little active and get the blood flowing. Floating in sitting position for too long could cause cramping and discomfort, so before all that set in…
“ALRIGHT! Parchment and books away. You’ll just need your wands now so go ahead and wiggle yourselves free of your desks and push them down towards the ground, please. They’ll stop once they hit. No need to worry about equal and opposite reactions in that regard.” Which was a little unnerving to the man how physical laws could so easily be discarded with magic. Unnerving and exhilarating...but now was not the time to dwell on this.
Banishing his desk and blackboard to the ground (and all rocky companions except Pebbles) as students took care of their desks and chairs, the astronomer summoned small drawstring brown bags for each student and levitated them to each individual. “In these bags you will find magically enhanced marbles in your house color. These marbles, while they will feel hard to the touch, will NOT cause any physical harm to yourself or your classmates. No need to worry about concussions in this classroom. At least not today. Ha. Hahaha. Anywhoooo…. “These marbles will act as your meteoroids, meteors, or meteorites while the sand…” He paused again to wave his wand towards the glistening white sand below, transforming it into three large spheres of equal size that began to rotate around the room in seemingly random orbits, changing things up every few minutes or so so none stayed on the same course for too long but showed no risk of colliding with one another. “...will serve as a planet just waiting to have its own impact craters. When I give the word, you will float about firing your marbles off towards these planets to try and ‘claim’ it for your house. When your marbles strike, they will shattered and create a crater in your house color. The more surface area covered by craters in your house color, the larger the ‘claim’ your house has on that planet.”
Get it? Got it? Good.
“When a planet’s surface area has been entirely covered in craters...well...you’ll just have to see what happens,” he grinned.
“Now, to launch your marbles you will be using a simple spell to make your wand mimic a muggle marble shooter of sorts. Simply hold the marble over the tip of your wand and say ‘Tikalas,’ pulling the marble back on the ‘las’ bit. You wand will produce a sort of faint gold band around the marble that, when you release it, will launch it in the direction you are aiming.” First years may find it a bit difficult at first, seeing as they were just starting out with spellwork, but even those truly struggling with magic should be able to get it after a few tries.
“I will be available right over here if there are any questions,” he said, indicating a place over by the winder with his index finger. “Ready? Set. ENGAGE!”
OOC: Here are some rules and more detailed instructions so there is hopefully there is no confusion. You can, of course, as questions OOC to me or IC to Professor Flamsteed
▸ Your character has a bag of marbles in their house’s color (red for Gryffindor, yellow for Hufflepuff, blue for Ravenclaw, and green for Slytherin). The number of marbles in the bag is seemingly endless, so don’t worry about running out.
▸ Marbles will shatter on impact and create a crater in the house color as well.
▸ Your character can only shoot ONE marble per post.
▸ Please TITLE your post with the number of the “planet” you are aiming for #1, #2, or #3. For example: post 1; planet #2
▸ Please do not forget to cast the spell, Tikalas, in each post. If you do not RP this then the impact crater will NOT count.
▸ Each marble (meteorite) that makes a crater on one of the three planets creates points towards that house “owning” that planet.
▸ post numbers that are multiples of 9 mean that the marble’s velocity has greatly increased and will count as 5 points towards that house’s “ownership”
▸ post numbers that are multiples of 11 mean that the marble’s mass has increased and will count as 3 points towards that house’s “ownership”
▸ All other post numbers will count as 1 point towards that house’s “ownership”
▸ Post number means the number your post is in the thread ▸
▸ I will be keeping track of how many points each of the 3 planets has accumulated and you will know when a planet has reached its quota
▸ Talk & interaction between students is fine and encouraged
▸ Your character missing a planet entirely, performing the spell incorrectly, or simply taking a moment just to practice the spell will still count towards participation Just let your character be themselves!
▸ This activity will be open for a few days (at least 48 hours from the time of this post) to give everyone plenty of time to participate
▸ Haaaaaaaaaaaaaaaaaave fuuuuuuuuuuuuuuuuuun!
Minimum of five posts to get full credit (ten individual house points). Extra credit possible for outstanding RPing.
__________________
When you're stuck in a moment and your spark has been stolen .................................................. ........... this is our time to own it, so own it..................................... baby we were born withfire and gold in our eyes
½ EagleBrain ♥ Creeperdoodle ♥ Raven Dor ♥ Berry ♥ ½ Team House Elf
Boring... boring... and boring... is what he heard, so he'd kept doodling.
When it seemed discussion and theory would be coming to an end, and they'd be flinging marbles at planets though, Zeke was very visibly alert. THIS is what he was born for. Destroying planets, or at least, impacting them in one form or another. With his parchment and quill roughly shoved back into his bag, Zeke followed Flamsteed's instructions and wriggled free from his seat, pushing his desk out of the way. Weeeeeee.
He liked this floating thing. He liked the sound of the activity more.
Already his gaze lingered on the sandy 'planets' and as he inspected the draw-string bag and its contents as it had been levitated to him. Brilliant. He rolled a couple of marbles around in his fingers, the red was nice.
Upon the 'Admiral's' instruction to 'engage' Zeke dropped one of the marbles back into the bag, and shoved it into his pocket, with the marble he was still holding, he positioned it above his wand, wondering HOW on earth this would work. It seemed easy enough, but looks could be deceiving. At any rate, what was the worst that could happen?
..
"Tikalas," he recited as he pulled back the marble from his wand, a faint gold band connecting them, and then he let go, propelling it into the air and WAY short of his target - the first planet... and a little too far to the left of it too.
Post 1; hit Planet 3. Anyone can claim Adi crashing into them ^_^
~ Mrs. Steve Harrington ~ It be like that sometimes.
Poor Dot. Adi didn't like the fact that she looked like she wanted to cry. But Kyroh! The guy was brave standing up to Airey though Adi could see things from the man's point of view. Rules were there for a reason.
Shifting his answer back to the board because his heart hurt too much for Dot, he focused on adding to his notes. He really wanted to go over and give the Queen a biiiig, squishy hug. Relating to the fact that THREE Puffers had just scored points, Adi raised his hand in a salute to the Admiral as an action of appreciation. GO, HUFFLEPUFFS!
Ohh, practical time! Adi lived for these, yo! He pushed away from his desk (yep, he had checked that his awesome brows were in place) after stashing his writing apparatus back into his bag. He caught the drawstring bag, opening it too peer in. Yep, bright yellow marbles in here. Now to listen to the instructions!
Oh, looky! The sand transformed! Soooo, yessers! Adi got all the instructions. Let's get this show on the road! When they were given the go ahead, he got a yellow marble out, followed Flamsteed's instructions to the letter. "Tikalas!'' The marble at the wand's tip was pulled back at the last three words of the incantation. There was the gold band!
Annnnnnd RELEASEEE!
The Hufflepuff had been aiming to the first planet but at that moment, he lost his balance (darn this anti gravity classroom!) because he hadn't realised he was floating into someone else. He bumped into them, was sent careening in another direction, his marble involuntarily shooting at planet three when his hand jerked, releasing the object.
Adi flapped his hands like a bird out of air to get back to the direction of his aim, calling a hasty apology to the student he crashed into. "SORRY!"
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Astronomy Lesson 1 :: Cosmic Collisions - Craters 
x12 
x12
Just let your character be themselves!
Post 1; hit Planet 3. Anyone can claim Adi crashing into them ^_^ 
