Across
- 5. all points on a circle are equal distance from the center
- 9. earth's natural satellite
- 10. slightly odd shaped circle
- 11. sun is in moon's shadow
- 13. moon gets brighter
- 16. small rock planets close to the Sun
- 17. earth, moon and sun are at right angles
Down
- 1. small, rocky surface orbiting the Sun
- 2. earth, moon and sun are in a line
- 3. a group of stars that form a pattern or outline representing an animal, shape, mythological figure
- 4. moon's illumination increases and decreases
- 6. moon is in earth's shadow
- 7. moon gets dimmer
- 8. spin or turn
- 12. objects within a system that orbit the Sun
- 14. Giant gas planet w/ a large mass and far from Sun
- 15. revolve