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