Raising her hand, Em answered, "Astronomy is the study of the galaxy, and well the whole universe outside of our atmosphere. A lot of astronomy has to do with observing the star and planets and things. Like, you can tell what direction a star is moving by observing its color shift. It also means looking for aliens, and knowing where your towel is." Putting her hand down, Em fiddled with the name plate on her desk. It read: