planets

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Across
  1. 2. 4th planet
  2. 5. is a object that orbits earth
  3. 6. keeps air in
  4. 8. keeps us alive
  5. 9. is what the planets are
Down
  1. 1. circles around
  2. 3. 2nd planet
  3. 4. empty blackness
  4. 5. 1st planet
  5. 7. 3rd planet