Across
- 3. The last of the Galilean moons
- 7. Uranus's largest moon
- 9. The fifth planet from the sun
- 11. Farthest known solar planet
- 14. Jupiter's closest galilean moon
- 16. The Solar System's largest moon
- 18. Uranus's fourth largest moon
- 19. Second largest Neptunian moon
- 21. The moon where water was detected beneath it's surface by the Cassini space probe
- 22. Ninth largest moon of the Solar System
- 24. The planet known for it's rings in the Solar System
- 25. Stop pronouncing this planet's name wrong
Down
- 1. The innermost of Uranus's five round moons
- 2. Uranus's outermost major moon
- 4. Saturn's largest moon
- 5. Third largest moon of Neptune
- 6. Saturn's moon which looks like an oval sponge
- 8. 24th of Saturn's 83 known moons
- 10. Third largest moon of Uranus
- 12. It's orbital period around Saturn is only 23 hours
- 13. Neptune's largest moon
- 15. Fifth closest inner moon of Neptune
- 17. Fourth largest moon of Saturn
- 20. Saturn's moon which is somewhat hard to spell
- 23. Jupiter's moon that sounds like a continent on Earth
