Across
- 5. the large dark areas on the Moon and other planets
- 6. the young Earth use to be covered in ________.
- 7. material that falls back to the lunar surface after being blasted out by the impact of a space object.
- 8. when the Moon passes directly between the Sun and the Earth
- 11. long trail ejecta that radiates outward from a Moon carter
- 12. Moon crater formed when space material impacted on the lunar surface.
- 13. light-colored basaltic,heavily created areas of the Moon,composed mostly of lunar breccias
Down
- 1. amount of sunlight that is reflected
- 2. an idea on how the Moon might have been made
- 3. the early Earth had a _________ with another planet, forming the moon.
- 4. when the Moon passes though Earth's shadow.
- 9. the sinuous trenches or valleys observed on the surface of the moon.
- 10. the study of celestial objects
