| Astronauts' host | 20 |
| Astronauts' HQ | 18 |
| Astronauts' laps | 20 |
| Astronauts' org. | 20 |
| Astronauts' outfits | 23 |
| Astronauts' responses | 25 |
| Astronauts' returning point | 31 |
| Astronauts' wear | 20 |
| Astronauts' workshop | 24 |
| ASTRONOMER | 10 |
| Astronomer born in Torun, Poland | 32 |
| Astronomer Brahe | 16 |
| Astronomer Brahe who wore a fake nose | 37 |
| Astronomer Carl | 15 |
| Astronomer Carl ___ | 19 |
| Astronomer Celsius | 18 |
| Astronomer Clyde, discoverer of Pluto | 37 |
| Astronomer Copernicus | 21 |
| Astronomer Edmond | 17 |
| Astronomer Edmund | 17 |
| Astronomer Edmund joins Bill | 28 |
| Astronomer Edmund's felines? | 32 |
| Astronomer Edwin | 16 |
| Astronomer exonerated by the Vatican in 1992 | 44 |
| Astronomer George | 17 |
| Astronomer Halley | 17 |
| Astronomer Hubble | 17 |
| Astronomer Hubble of telescope fame | 35 |
| Astronomer Hubble whom the telescope is named after | 51 |
| Astronomer Johannes | 19 |
| Astronomer Kepler | 17 |
| Astronomer Knopf | 16 |
| Astronomer or astronaut | 23 |
| ASTRONOMER oversees a poultry farm? | 35 |
| Astronomer Percival | 19 |
| Astronomer Ptolemy, e.g. | 24 |
| Astronomer Sagan | 16 |
| Astronomer Sandage, who codiscovered the first quasar | 53 |
| Astronomer Simon | 16 |
| Astronomer Tycho | 16 |
| Astronomer Tycho who coined the term 'nova' | 51 |
| Astronomer Tycho __ | 19 |
| Astronomer Tycho ___ | 20 |
| Astronomer who coined the word "nova" | 47 |
| Astronomer who described planetary motion | 41 |
| Astronomer who discovered Uranus | 32 |
| Astronomer who famously observed a supernova in 1572 | 52 |
| Astronomer who lost part of his nose in a duel | 46 |
| Astronomer ___ Brahe | 20 |
| Astronomer's accessory | 26 |
| Astronomer's aid | 20 |
| Astronomer's calculation: Abbr. | 35 |
| Astronomer's church leader? | 31 |
| Astronomer's concern | 24 |
| Astronomer's discoveries | 28 |
| Astronomer's dist. | 22 |
| Astronomer's favorite TV show? | 34 |
| Astronomer's field | 22 |
| Astronomer's find | 21 |
| Astronomer's focus | 22 |
| Astronomer's interest | 25 |
| Astronomer's job? | 21 |
| Astronomer's light ratio | 28 |
| Astronomer's measure | 24 |
| Astronomer's measurement | 28 |
| Astronomer's measurements | 29 |
| Astronomer's movie? | 23 |
| Astronomer's Muse | 21 |
| Astronomer's observation | 28 |
| Astronomer's prime time | 27 |
| Astronomer's quest | 22 |
| Astronomer's realm | 22 |
| Astronomer's reference | 26 |
| Astronomer's sculpture? | 27 |
| Astronomer's sighting | 25 |
| Astronomer's sighting, perhaps | 34 |
| Astronomer's sighting, sometimes | 36 |
| Astronomer's sightings | 26 |
| Astronomer's snack? | 23 |
| Astronomer's study | 22 |
| Astronomer's subject | 24 |
| Astronomer's time period | 28 |
| Astronomer's time: Abbr. | 28 |
| Astronomer's unit of distance | 33 |
| Astronomer's view | 21 |
| Astronomer's vista | 22 |
| Astronomer's word | 21 |
| Astronomer, at times | 20 |
| Astronomer, often | 17 |
| Astronomer-poet | 15 |
| Astronomer-turned-architect | 27 |
| Astronomer/author Carl | 22 |
| Astronomer? | 11 |
| Astronomers ... or daydreamers | 30 |
| Astronomers' "year zero" | 38 |
| Astronomers' instruments | 28 |
| Astronomers' Muse | 21 |
| Astronomers' references | 27 |
| Astronomers' sketches | 25 |
| Astronomers' subjects | 25 |