| Answer | Crossword Clue |
|---|---|
| OBERON | Second-largest moon of Uranus |
| TITANIA | Largest moon of Uranus |
| ARIEL | Fourth-largest moon of Uranus |
| TITANIA | Uranus' largest moon |
| RHEA | Second-largest moon of Saturn |
| RHEA | Saturn's second-largest moon |
| RHEA | Second-largest Saturnian moon |
| TITAN | Second-largest moon in the solar system |
