mars crossword puzzle

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Across
  1. 2. 3rd planet from the sun
  2. 3. it is both hot and cold
  3. 5. it is on earth
  4. 6. A robotic spacecraft that leaves Earth orbit
  5. 9. A space exploration vehicle
  6. 11. the planet has a lot of
  7. 12. it is above clouds
  8. 13. it is on the surface
Down
  1. 1. a person who studies the future
  2. 4. ice found at the poles
  3. 5. the biggest moon on mars
  4. 6. is on earth
  5. 7. the smallest planet on mars
  6. 8. the stuff you breath
  7. 10. 4th planet from the sun