Across
- 3. Moon that was formed separately near Earth
- 5. dark areas on the surface of the moon
- 10. Seismic data were collected by the ____ astronauts
- 14. radiating energy flowing from the core of the su
- 15. circular features appearing on the moon formed from meteorite impacts
- 18. gaseous layer just above the photosphere
- 19. Moon is farthest away from the earth
- 20. Where the moon is closest to the Earth in orbit
Down
- 1. largest impact crater on the Moon (1000 km diameter)
- 2. radiation from the visible surface of the Sun
- 4. Moon’s rotation is identical to its orbit around Earth
- 6. early Earth collided with a Mars-size object
- 7. orbit to rotation ratio 1:1
- 8. Moon formed far away and was caught by Earth’s gravity
- 9. energy is moved by convection
- 11. moon moves to earth's main shadow
- 12. formed from a chunk of a rapidly spinning early molten Earth
- 13. moon blocks the sun & leaves a small shadow on earth
- 16. ditches where molten lava flows
- 17. lighter areas that are mountainous on the moon