Across
- 1. nickname for Earth's moon
- 4. this belt is located beyond Neptune (two words)
- 5. Saturn's moon with a fully formed atmosphere
- 6. Eris' only moon
- 10. Neptune's moon with an atmosphere and retrograde orbit
- 11. planet with the largest ring system
- 12. Pluto's largest moon
- 13. largest moon in the Solar System
- 17. planet with the same temperature day or night
- 19. dwarf planet namded for the Hawaiian goddess of childbirth,
- 21. planet with an 88 day year
- 22. dwarf planet whose discovery led to Pluto's demotion
- 23. Haumea's moon with an apostrophe in the name
- 24. one of the moons of Mars
- 27. planet entirely inhabited by robots
- 28. this belt of objects is located between Mars and Jupiter (two words)
- 31. moon of Saturn with ice geysers
- 33. moon of Jupiter with the closest orbit
- 34. most heavily cratered moon of Jupiter
Down
- 2. blue planet that is the farthest of the ice giants
- 3. Saturn's Death Star moon
- 7. dwarf planet with a repetitive name
- 8. moon of Uranus that looks very jumbled
- 9. pale blue planet tipped on its side
- 14. Haumea's moon without an apostrophe in the name
- 15. dwarf planet that used to be an asteroid
- 16. Pluto's moon named after the 3 headed canine guard of the underworld
- 18. moon of Jupiter with a liquid ocean under teh ice
- 20. planet with 79 moons
- 23. Pluto's moon named after a many headed monster
- 25. Pluto's moon named after the river in the underworld
- 26. one of Pluto's moons discovered in 2005
- 29. only planet with liquid water on its surface
- 30. planet discovered in 1930 and named by a child
- 32. one of the moons of Mars