Across
- 3. the biggest planet
- 4. the hottest planet
- 5. the red planet
- 7. between Mars and Jupiter
- 9. ... giants
- 10. number of planets with rings
- 11. furthest from the Sun
Down
- 1. the fastest and smallest
- 2. planets made of rock
- 6. the fifth from the Sun
- 8. number of planets
- 12. the third from the Sun