Astronomy Page 4/5

2. time time required for Earth to rotate once on its axis
5. the overservatons from the ancient cultures led to the first ---
8. where people watch the movement in the night sky
9. this group of people learned the best time of the year to plant and harvest crops
10. this revolution brought major changes in science and society
11. roughly the amount of time required for the moon to orbit Earth
12. studying movement here was so important to ancient people

1. Claudius --- an early scientist who influenced the way people viewed the universe
3. the time required for the Earth to orbit once around the sun
4. this theory says the Earth is at the center of the universe
6. the study of the universe
7. Copernicus was a --- Astronomer