Across
- 2. earth centered
- 6. moon is furthest from Earth
- 7. ancient lava beds on the moon
- 9. moon is closest to Earth
- 10. going around another object
- 11. path going around something
Down
- 1. study of the universe
- 3. round depressions on the surface
- 4. sun centered
- 5. axis spin
- 8. one object blocking the view/light for another