| Answer | Crossword Clue |
|---|---|
| ERIS | Largest plutoid in the solar system |
| CERES | Largest asteroid in the solar system |
| GANYMEDE | Largest moon in the solar system |
| CERES | The largest asteroid in the solar system |
| ERIS | Largest dwarf planet in the solar system |
| SATURN | Second-largest planet in the solar system |
| TITAN | Second-largest moon in the solar system |
| TRITON | Largest moon in the solar system with a retrograde orbit |
