The Moon

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Across
  1. 3. phase where more than half the moon is visible
  2. 4. hypothesis stating a mars-sized object struck the earth
  3. 6. when the earth is between the moon and sun
  4. 12. moon's closest point to earth
  5. 13. gray debris, lunar soil
  6. 14. thin sliver moon phase
  7. 16. ancient beds of lava flow
  8. 17. when the lighted visible part of the moon in increasing in size
Down
  1. 1. when the moon is between the earth and sun
  2. 2. cover most of the far side of the moon
  3. 5. bright splash marks that radiate out from a crater
  4. 7. moon's farthest point from earth
  5. 8. moon phase where the moon is not visible
  6. 9. phase when half the moon is lit
  7. 10. moon phase where the entire moon is lit
  8. 11. round depression on the surface of the moon
  9. 15. when the lighted visible part of the moon in decreasing in size