Across
- 2. The coldest gas giant
- 3. Has thick clouds and traps heat
- 6. An object that is neither a planet nor satellite
- 8. Has liquid water and life
- 9. Planets with a solid core, the warmer planets
- 10. A red planet with many canyons and riverbeds
- 11. The smallest planet
Down
- 1. Planets made of gas, also known as "gas giants"
- 4. The largest planet: A gas giant
- 5. Has rings and 62 moons
- 7. Known as a gas giant