Originally Posted by
sweetpinkpixie
The astronomer was actually on his way back from the astrophysics laboratory after finishing up a bit of private research, so the knock had done nothing more than startle Hershel from his sleep. Not that the ferret especially cared and was likely back to sleep already. And Boulder never minded when people knocked at the door. He was a very well tempered rock.
And Pebbles, well, she was on his person. As always. Not letting her out of his sight!
"Mr. Windsor, good day," he greeted the Gryffindor with a salute. "To what do I owe the pleasure?"