Across
- 3. - Our home planet
- 5. - Dwarf planet (formerly ninth)
- 7. - Largest planet
- 8. - Farthest gas giant
- 11. - The Red Planet
- 12. - Earth's "sister" planet
- 13. - Center of our solar system
Down
- 1. - Known for its rings
- 2. - Volcanic moon of Jupiter
- 4. - Closest planet to the Sun
- 6. - Tilted on its side
- 9. - Saturn's largest moon
- 10. - Dwarf planet in the asteroid belt