Across
- 4. Orbits the Earth in both models
- 5. Developed the Earth centered model that was accepted for 1500 years
- 6. What "geo" refers to
- 7. What "helio" refers to
- 8. The planet's orbits are not a ______, instead they are an ellipse.
- 10. The sun centered model
- 11. Created the first version of our current solar system model
- 12. Created 3 Laws of Planetary Motion
Down
- 1. He tried to measure the distance to the Sun and Moon
- 2. The Earth centered model
- 3. Where Aristotle was from
- 9. Proved the sun centered model by watching Venus