Across
- 2. the hottest planet
- 3. the furthest planet
- 4. red planet
- 7. where asteroids come from
- 10. the smallest planet
- 12. what we use to remember the order of planets
- 15. famous for its tail
Down
- 1. a group of planets in our solar system that are rocky
- 5. go around something
- 6. a cluster of stars, comets, asteroids and planets
- 8. a group of gassy planets in our solar system
- 9. can float on water
- 11. the coldest planet
- 13. big planet
- 14. where we live