Space!

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Across
  1. 3. planet with the most rings
  2. 8. planets out of our solar system
  3. 9. contains hydrogen and helium
Down
  1. 1. even light cannot escape this
  2. 2. biggest satellite
  3. 4. biggest planet in the solar system
  4. 5. demoted planet
  5. 6. afterlife of a meteor
  6. 7. where we live