The Moon

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Across
  1. 1. the point in the horizon diagram that is directly above the observer
  2. 4. the point in the horizon diagram that is directly below the observer
  3. 5. the phase of the moon where none of the face of the moon is illuminated
  4. 8. imaginary line in the sky that runs from north to south
  5. 10. the phase of the moon where the entire face of the moon is illuminated
  6. 11. when the percent of the moon illuminated is increasing
  7. 13. the composition of the moon is this, meaning it has a core, mantle, and crust
  8. 14. these are the valleys on the lunar surface
Down
  1. 2. the line that separates day from night on the moon
  2. 3. less than 50% of the moon is lit
  3. 6. when the percent of the moon illuminated is decreasing
  4. 7. more than 50% of the moon is lit
  5. 8. imaginary line in the sky that runs from east to west
  6. 9. the edge of the moon
  7. 12. the darkest part of the lunar landscape