Astronomy - Planets, moon phase, eclipses

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