Across
- 1. Giant Jupiter
- 7. moon Triton
- 9. millions in the solar system
- 11. On the edge of the solar system
- 13. to Sun Mercury
- 15. Coldest body in solar system
- 17. Day Venus
- 18. of our solar system Saturn
Down
- 2. Huge ring system
- 3. smaller than earths moon
- 4. known planets Dwarf planets
- 5. Giant dust storms
- 6. five percent water Earth
- 8. rotation Mercury
- 10. planets Havent cleared orbital path
- 12. Moon has no atmosphere
- 14. Known Rings Uranus
- 16. Fastest are 26 miles per second