| Radius (km) | Answer | Parent | % Correct |
|---|---|---|---|
| 1737.4 | Moon | Earth | 95%
|
| 2574.7 | Titan | Saturn | 95%
|
| 1560.8 | Europa | Jupiter | 85%
|
| 2634.1 | Ganymede | Jupiter | 85%
|
| 1821.6 | Io | Jupiter | 85%
|
| 1353.4 | Triton | Neptune | 75%
|
| 2410.3 | Callisto | Jupiter | 60%
|
| 578.9 | Ariel | Uranus | 55%
|
| 606.0 | Charon | Pluto | 50%
|
| 788.9 | Titania | Uranus | 50%
|
| 584.7 | Umbriel | Uranus | 50%
|
| 761.4 | Oberon | Uranus | 45%
|
| 735.6 | Iapetus | Saturn | 40%
|
| 763.8 | Rhea | Saturn | 40%
|
| 561.7 | Dione | Saturn | 35%
|