Solar system 2

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Across
  1. 3. stronger with mass weaker with distance
  2. 8. inner planet with 2 moons
  3. 9. cloud on the far reaches of the solar system
  4. 12. a fragment from space that hits earth
  5. 13. a asteroid that has a tail
  6. 14. dust formed around planets like Saturn
  7. 17. outer planet that spins sideways
  8. 18. asteroid belt between Neptune and Pluto
  9. 19. makes gravity stronger
  10. 20. Largest inner planet
Down
  1. 1. planet with the most rings
  2. 2. orbits a planet starts with an s
  3. 4. inner planet that spins backwards
  4. 5. Outer planet with the most mass
  5. 6. Belt between Saturn and mars
  6. 7. the path a planet follows around the sun
  7. 8. smallest inner planet
  8. 10. Saturn has more than 60
  9. 11. massive area of cloud and gas in outer space
  10. 15. largest think in the solar system
  11. 16. makes gravity weaker