Across
- 4. The planet which spins on its side
- 6. The group of smallest planets
- 7. The smallest planet
- 9. Hot as lava
- 11. The biggest
- 12. Earth's satellite
Down
- 1. Middle of the plannets
- 2. The belt after Neptune
- 3. Many huge rocks
- 5. Green and blue
- 7. Red
- 8. Rings
- 10. The coldest planet