Astronomy is the study of

Astronomy is the study of celestial objects. In other words, the study of anything having to do with the things of outer space.

Explanation:

The word astronomy comes from a Greek word that means "star-arranging."

Astronomy is the study of the Universe

Explanation:

Hope this helps out

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms