Across
- 3. The closest star to Earth
- 5. The coldest planet in the Solar System
- 7. The Roman name for Ares
- 8. No longer called a planet
- 9. Tiniest planet
- 10. Human haven
Down
- 1. Super hot
- 2. The ringed planet
- 4. The largest planet int he Solar System
- 6. The blue planet
- 7. Earth's only natural orbit