Across
- 2. an invisble halo
- 3. the last four planets
- 6. the coldest planet in the solar system
- 7. the closetes planet towards the sun
- 8. rocky planets
- 11. only livable planet
- 13. cold planets
- 14. center star in solar system
Down
- 1. the largest planet
- 2. a small rock
- 4. the first for planets
- 5. the rounding of an celestrial object
- 9. roatating on an axis
- 10. planets with lower density
- 12. an celestrial body of gas that shines