outer space

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Across
  1. 4. rock in space
  2. 5. coldest planet
  3. 7. hottest planet
  4. 9. smallest planet
Down
  1. 1. 4th planet from the sun
  2. 2. 2nd coldest planet
  3. 3. flying threw the night sky
  4. 6. coldest dwarf planet
  5. 8. planet that have life