Across
- 3. the sixth planet, has a ring
- 5. the eighth planet, the smallest
- 6. the first planet closest to the sun
- 7. the third planet, our home
Down
- 1. the second planet, the hottest
- 2. the seventh planet, the coldest
- 4. the fifth planet, the largest
- 6. the fourth planet, the "Red Planet"