Across
- 5. Planet with rings
- 6. A fuzzy ball of ice and dust with a tail
- 9. The biggest planet
- 10. Neptune's largest moon
- 12. The 3rd planet from the sun
- 13. The planet between Earth and Jupiter
- 15. A dwarf planet starting with "P"
Down
- 1. Pluto's moon
- 2. The closest planet to the sun
- 3. The 8th planet from the sun
- 4. ..., Ganymede, Europa and Callisto
- 7. The planet we live on
- 8. The planet between Saturn and Neptune
- 11. Saturn's largest moon
- 14. The Great Red... (on Jupiter)