Across
- 2. small planet collided with the earth
- 3. light colored old and cratered areas
- 5. shrinking
- 7. orbit
- 10. pattern of weather
- 13. hole from something impacting a space body
- 18. barley noticeable
- 19. causes seasons
Down
- 1. causes day and night
- 4. darkest shadow
- 6. imaginary line through poles
- 8. maximum and minimum hours of sunlight
- 9. lightest shadow
- 11. growing
- 12. sun blocked
- 14. going in shadow
- 15. extra high tide
- 16. moon blocked
- 17. dark colored lava filled craters