| Answer | Crossword Clue |
|---|---|
| BESSEL | Lunar crater named for an astronomer |
| TYCHO | Lunar crater named for a Danish astronomer |
| OMAR | Early astronomer for whom a lunar crater is named |
| ARAGO | Moon crater named for a French astronomer |
| EULER | Swiss mathematician for whom a lunar crater was named |
| ROMNEYA | Genus of shrubs named for an astronomer |
