Space Cross word

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Across
  1. 2. 4th smallest planet
  2. 6. Big floating rock
  3. 9. coldest planet
  4. 10. Hottest planet
Down
  1. 1. Big divot
  2. 3. biggest planet
  3. 4. orbits earth
  4. 5. 4th smallest planet
  5. 7. All planets orbit
  6. 8. zero gravity