Across
- 4. spins clockwise
- 8. between Mars and Jupiter
- 11. red planet
- 12. used to be a planet but not anymore
- 13. Neptune is famous for this
- 15. closest to sun
- 17. a small, icy objects that orbits the sun
- 18. smaller planet
- 20. center of solar system
Down
- 1. beyond Neptune (cloud)
- 2. beyond Neptune (belt)
- 3. streak of light
- 5. habitable
- 6. in the belt between Mars and Jupiter
- 7. biggest planet
- 9. known for rings
- 10. Saturn is famous for this
- 14. furthest planet
- 16. coldest planet
- 19. Jupiter’s big ________