Across
- 2. Earth's only natural satellite.
- 4. The seventh planet from the sun.
- 8. The star in our solar system.
- 9. A planet named after the Sea God.
- 11. The largest planet in the solar system.
Down
- 1. A planet whose temperature exceeds 400 degrees.
- 3. A planet which scientists think it contains water or ice.
- 5. A large ringed planet.
- 6. The first planet from the sun.
- 7. A ring of asteroid separating Mars from Jupiter.
- 10. The only planet known to support life.