| GALILEO | General, boxer, pope, astronomer (7) |
| PTOLEMY | Egyptian king or astronomer (7) |
| MESSIER | French astronomer who catalogued 110 nebulous objects (7) |
| LAPLACE | Astronomer from Beverly Hills? (7) |
| BRADLEY | James --, 1693-1762, English astronomer (7) |
| CASSINI | Giovanni _; astronomer with a spacecraft named after him (7) |
| CELSIUS | Anders _; Swedish astronomer, known for his temperature scale (7) |
| HOERNER | Sebastian von --, German astrophysicist and radio astronomer (7) |
| GALILEE | Astronomer changed last lake in Israel (7) |
| NEWCOMB | Simon --, Canadian-born US astronomer (1835-1909) (7) |
| LOCKYER | Norman --, astronomer who founded the science periodocal 'Nature' (7) |
| LASSELL | Astronomer who discovered Neptune's moon Triton (7) |
| PALOMAR | Observatory familiar with Khayyam the astronomer (7) |
| DELISLE | Joseph-Nicolas --, French astronomer (1688-1768) (7) |
| MAESTRO | Rattle maybe scatty astronomer, ignoring Ron (7) |
| LALANDE | Jerome ___, French astronomer after whom a crater on the Moon is named (7) |
| LANGLEY | Astronomer who invented the bolometer and contributed towards the design of early aircraft (7) |
| VERMEER | Artist who painted The Milkmaid, The Astronomer and The Geographer (7) |
| UMBRIEL | A moon of Uranus discovered by amateur astronomer William Lassell with a 24-inch reflector telescope in 1851 (7) |
| HYPATIA | Greek philosopher c370-c415AD, first notable female astronomer and mathematician (7) |