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