Across
- 7. action-reaction forces
- 8. first man in space
- 12. new/full moon tide enhancement
- 13. color of a moon on total lunar eclipse
- 15. phases when sun-Earth-moon form right angle
- 16. month for northern spring equinox
- 19. means "almost full"
- 20. one trip around another object
- 22. percent the moon/Earth are lit
- 23. objects tend to maintain their current state
- 24. small difference in high & low tide
Down
- 1. different appearances of the moon
- 2. darker of the two shadows
- 3. achieved by combining gravity and inertia
- 4. month of southern winter solstice
- 5. downward pull based on mass & distance
- 6. time for one spin on moon's axis
- 9. first man on the moon
- 10. trapping of heat by an atmosphere
- 11. gives Earth its seasons
- 14. zone for viewing total solar eclipse
- 17. gives Earth its day and night
- 18. most or least daylight hours
- 21. depressions formed from meteor impacts