| Answer | Crossword Clue |
|---|---|
| RARE | Like blue moons |
| AEONS | Blue moons |
| AGES | Period between blue moons |
| RARITIES | Blue moons and hen's teeth |
| WANING | Like some moons |
| JOVIAN | Like the Galilean moons |
| CRATERED | Like the moon's surface |
| LARGEST | Like Ganymede among Jupiter's moons |
| GALILEAN | Like Jupiter's four largest moons |
| PITTED | Like the moon's landscape and many olives |
