Zhenya had a quick think about Astronomy. The subject meant so many different things to her, and for her - there were many things she had learned. But the main thing was, she though, raising her hand "Professor, among many reasons for learning about Astronomy, they can mostly be categorised under the heading Celestial Body. We study planets, stars and the moon. Well, that was what we studied last year - I'm not sure about previous years. And also in that, we looked at how moon phases affected our moods and emotions as well as our magic, plus our incredible joint Herbostronomy class taught us how the moon influences what goes on in the ground," she said.