| Description | Answer | % Correct |
|---|---|---|
| Only moon with a substantial atmosphere | Titan | 100%
|
| Largest moon in the solar system | Ganymede | 95%
|
| Largest moon in relation to the size of its planet | Moon | 95%
|
| The other Martian moon | Deimos | 91%
|
| Destined to collide with Mars | Phobos | 91%
|
| Youngest surface of the large Uranian moons | Ariel | 86%
|
| Not actually a moon - forms a binary system with Pluto | Charon | 86%
|
| Possibility of an ocean beneath crust of ice | Europa | 86%
|
| Most volcanically active body in the solar system | Io | 86%
|
| "The Death Star" | Mimas | 86%
|
| Styx | 86%
| |
| Largest moon with a retrograde orbit; Experiences cryovolcanism | Triton | 82%
|
| The middle of Uranus's five large moons in both size and position | Umbriel | 82%
|
| Co-orbital with the much smaller Helene | Dione | 77%
|
| Water geysers from this moon's "Tiger stripes" contribute to Saturn's E ring | Enceladus | 77%
|
| Other moons of Pluto | Nix | 77%
|
| Most cratered Uranian moon | Oberon | 77%
|
| First body other than Earth known to have an atmosphere with oxygen | Rhea | 77%
|
| Largest moon of Uranus | Titania | 77%
|
| Geologically inert despite its large size; Home to Valhalla palimpsest | Callisto | 73%
|
| Hydra | 73%
| |
| One hemisphere light, the other dark | Iapetus | 73%
|
| "Frankenmoon" with the largest cliff in the Solar System, Verona Rupes | Miranda | 68%
|
| Made almost entirely of ice; Home to the giant Odysseus crater | Tethys | 68%
|
| Only moon of Eris | Dysnomia | 64%
|
| Kerberos | 64%
| |
| Moons of Haumea | Hi'iaka | 55%
|
| Namaka | 55%
| |
| Unpredictable rotation, strange craters, and high irregularity for its size | Hyperion | 50%
|
| Micrometeorite impacts produce Saturn's largest know ring | Phoebe | 45%
|
| Janus | 41%
| |
| Pandora | 36%
| |
| Shepherd moons of Saturn's F ring | Prometheus | 32%
|
| ALMOST co-orbital | Epimetheus | 27%
|
| First moon of an asteroid ever discovered | Dactyl | 14%
|