Across
- 2. moon of Saturn with erupting geysers
- 4. heavily cratered moon of Jupiter
- 7. has the most active volcanoes in the solar system
- 8. larger of Mars' 2 moons
- 9. moon of Saturn with an atmosphere
- 10. spacecraft that discovered Jupiter's rings
- 13. moon of Uranus with interesting geologic activity
- 14. common balance point
Down
- 1. discovered the 4 main moons of Jupiter
- 2. ice-covered moon with possible water underneath
- 3. smaller of Mars' 2 moons
- 5. only moon in the solar system with retrograde motion
- 6. Pluto's largest moon
- 11. spacecraft that studied Saturn and its moons
- 12. the largest moon in the solar system