Across
- 2. Shape of the Earth's orbit in Copernicus' heliocentric model.
- 4. Shape of the Earth's orbit in Kepler's heliocentric model.
- 5. An ellipse has two ____.
- 6. The hottest season.
- 8. Object at the center of the geocentric model.
- 9. The season after summer.
- 10. Object at the center of the heliocentric model
- 11. Celestial objects set to the ______.
Down
- 1. ______ means Sun-centered.
- 3. ______ means Earth-centered.
- 6. The season before summer.
- 7. The coldest season.
- 8. Celestial objects rise from the ______.