| Astronomer's interest | 25 |
| Astronomer's focus | 22 |
| Astronomer's find | 21 |
| Astronomer's field | 22 |
| Astronomer's favorite TV show? | 34 |
| Astronomer's dist. | 22 |
| Astronomer's discoveries | 28 |
| Astronomer's concern | 24 |
| Astronomer's church leader? | 31 |
| Astronomer's calculation: Abbr. | 35 |
| Astronomer's aid | 20 |
| Astronomer's accessory | 26 |
| Astronomer ___ Brahe | 20 |
| Astronomer who lost part of his nose in a duel | 46 |
| Astronomer who famously observed a supernova in 1572 | 52 |
| Astronomer who discovered Uranus | 32 |
| Astronomer who described planetary motion | 41 |
| Astronomer who coined the word "nova" | 47 |
| Astronomer Tycho ___ | 20 |
| Astronomer Tycho __ | 19 |
| Astronomer Tycho who coined the term 'nova' | 51 |
| Astronomer Tycho | 16 |
| Astronomer Simon | 16 |
| Astronomer Sandage, who codiscovered the first quasar | 53 |
| Astronomer Sagan | 16 |
| Astronomer Ptolemy, e.g. | 24 |
| Astronomer Percival | 19 |
| ASTRONOMER oversees a poultry farm? | 35 |
| Astronomer or astronaut | 23 |
| Astronomer Knopf | 16 |
| Astronomer Kepler | 17 |
| Astronomer Johannes | 19 |
| Astronomer Hubble whom the telescope is named after | 51 |
| Astronomer Hubble of telescope fame | 35 |
| Astronomer Hubble | 17 |
| Astronomer Halley | 17 |
| Astronomer George | 17 |
| Astronomer exonerated by the Vatican in 1992 | 44 |
| Astronomer Edwin | 16 |
| Astronomer Edmund's felines? | 32 |
| Astronomer Edmund joins Bill | 28 |
| Astronomer Edmund | 17 |
| Astronomer Edmond | 17 |
| Astronomer Copernicus | 21 |
| Astronomer Clyde, discoverer of Pluto | 37 |
| Astronomer Celsius | 18 |
| Astronomer Carl ___ | 19 |
| Astronomer Carl | 15 |
| Astronomer Brahe who wore a fake nose | 37 |
| Astronomer Brahe | 16 |
| Astronomer born in Torun, Poland | 32 |
| ASTRONOMER | 10 |
| Astronauts' workshop | 24 |
| Astronauts' wear | 20 |
| Astronauts' returning point | 31 |
| Astronauts' responses | 25 |
| Astronauts' outfits | 23 |
| Astronauts' org. | 20 |
| Astronauts' laps | 20 |
| Astronauts' HQ | 18 |
| Astronauts' host | 20 |
| Astronauts' hangout? | 24 |
| Astronauts' go-ahead signal | 31 |
| Astronauts' garments | 24 |
| Astronauts' finds | 21 |
| Astronauts' feat | 20 |
| Astronauts' descent to Earth | 32 |
| Astronauts' craft | 21 |
| Astronauts' contact | 23 |
| Astronauts' biopic, with "The" | 44 |
| Astronauts' beverage | 24 |
| Astronauts' area | 20 |
| Astronauts' agency | 22 |
| Astronauts' affirmatives | 28 |
| Astronauts' ade | 19 |
| Astronauts' "All's-well" calls | 48 |
| Astronauts' "all right" | 37 |
| Astronauts know the gravity of this situation | 45 |
| Astronauts experience it | 24 |
| Astronauts Bean and Shepard | 27 |
| Astronauts and ETs | 18 |
| Astronauts | 10 |
| Astronaut/bandleader | 20 |
| Astronaut-turned-senator John | 29 |
| Astronaut-Senator | 17 |
| Astronaut, usually | 18 |
| Astronaut's work environment, for short | 43 |
| Astronaut's wear | 20 |
| Astronaut's vehicle | 23 |
| Astronaut's vacation spot? | 30 |
| Astronaut's thumbs-ups | 26 |
| Astronaut's supply | 22 |
| Astronaut's sign-off? | 25 |
| Astronaut's reply | 21 |
| Astronaut's quarters, in the early days | 43 |
| Astronaut's quarters | 24 |
| Astronaut's protection | 26 |
| Astronaut's path | 20 |
| Astronaut's outing: Abbr. | 29 |
| Astronaut's outfit | 22 |