space Crossword

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Across
  1. 6. is it a planet or not?
  2. 8. U.S civil space program
  3. 9. ringed gas planet
Down
  1. 1. cold gas planet
  2. 2. toxic surface, clean air space
  3. 3. smallest planet
  4. 4. big red spot
  5. 5. moving 1.49 inches away each year
  6. 7. only habitable planet near us