Space Crossword. Hardness: 2/3 moon-landings

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Across
  1. 4. used to take fotos of planets and gps
  2. 5. this occurs when the moon covers the sun
  3. 6. the distace light passes in one earth year
  4. 8. this is what you use to communicate with people in space
  5. 10. these can only be seen at nigth
  6. 11. there is none of this in space
  7. 12. A person working with space equipment
  8. 13. mostly seen in altitude
  9. 15. our galaxy
Down
  1. 1. when this happen must you make a wish
  2. 2. the company that completed the moon landing
  3. 3. a man who was very clever and made a theory about space and black holes
  4. 7. this is what you do when you sent people to space
  5. 9. crashed into the earth once
  6. 14. a force pulling objects