Across
- 1. the amount of moonlight seen from Earth is decreasing
- 5. the number of moons that orbit Earth
- 6. an object that orbits another object
- 8. the phase that occurs when the near side is fully lit
- 9. the phase when the near side of the moon is dark
- 11. the force that pulls the moon towards Earth
- 15. the darkest part of a shadow
- 16. spinning on an axis
- 18. how the moon appears to observers on Earth
- 19. a natural satellite
Down
- 2. less than a full circle
- 3. the number of Earth days for one rotation of the moon
- 4. the amount of moonlight seen from Earth is increasing
- 7. one object moving around another object
- 10. one object in space casts a shadow on another object
- 12. the source of the moon's light
- 13. the phase where the moon is a sliver of light
- 14. the time it takes for one rotation of Earth to occur
- 17. the quarter moon that is waning