Across
- 3. "Wheels-on-wheels" system states that ____ move in small circles which move on larger circles
- 5. This means "Earth
- 6. This means "centered"
- 7. The apparent shift in the position of an object when viewed from different locations
- 8. ______ System which is the sun and all of the bodies that orbit it
- 9. Aristarchus attempted to measure distance between Earth and the _____.
Down
- 1. this means "sun"
- 2. type of math that helps solve scientific problems of distance
- 4. Which shape did Aristotle believe objects in space move?
- 7. This astronomer was from Egypt