| Source for an outburst | 22 |
| Sky spectacle | 13 |
| Show in outer space? | 20 |
| Short-lived star | 16 |
| Series with a "Secrets of the Sun" episode | 52 |
| Science series since 1974 | 25 |
| Science program on PBS | 22 |
| Sagan subject | 13 |
| Resurging star | 14 |
| Result of runaway fusion | 24 |
| Rapidly brightening star | 24 |
| Popular salmon | 14 |
| Popular PBS show | 16 |
| Popular PBS science series | 26 |
| Popular PBS program | 19 |
| Pop star? | 9 |
| PBS staple | 10 |
| PBS show with episodes about tornadoes and catacombs and the like | 65 |
| PBS show since 1974 | 19 |
| PBS show | 8 |
| PBS airing | 10 |
| Observatory observation, perhaps | 32 |
| Observatory find | 16 |
| Nuclear explosion result, maybe | 31 |
| New star | 8 |
| Milky Way sphere | 16 |
| Milky Way phenomenon believed to occur almost weekly | 52 |
| Lox variety | 11 |
| Lou ___, boxing star of the past | 32 |
| Loser to Louis: Sept. 29, 1941 | 30 |
| Loser to Joe Louis: 1941 | 24 |
| Long-running PBS show | 21 |
| Long-running PBS science series | 31 |
| Kind of lox | 11 |
| Intensely bright star | 21 |
| Impala alternative | 18 |
| Hubble Space Telescope sighting | 31 |
| Highest-rated science series on TV | 34 |
| Guitarist Aldo ___ | 18 |
| Gas explosion? | 14 |
| Flashing star | 13 |
| Extra-bright star | 17 |
| Explosive star | 14 |
| Everything bagel topper | 23 |
| ETV fare | 8 |
| Dying star | 10 |
| Distant flare-up | 16 |
| Cured Pacific salmon | 20 |
| Cured and smoked salmon | 23 |
| Cold-smoked salmon | 18 |
| Chevy of yore | 13 |
| Chevy of the '70s | 21 |
| Certain variable star | 21 |
| Celestial flareup | 17 |
| Cataclysmic nuclear explosion | 29 |
| Bygone Chevy compact | 20 |
| Brilliant star, at times | 24 |
| Brightening star | 16 |
| Bright spot in the sky | 22 |
| Bright spot in space | 20 |
| Bright new star | 15 |
| Bossa ___ (Brazilian dance) | 27 |
| Blazing star | 12 |
| Bagel store delicacy | 20 |
| Bagel shop request | 18 |
| Award-winning science show | 26 |
| Astronomical wonder | 19 |
| Astronomical flash | 18 |
| Astronomical figure? | 20 |
| Astronomer's sighting, perhaps | 34 |
| Astral flare-up | 15 |
| Air ____ | 8 |
| A smoked salmon | 15 |
| A loser to Joe Louis: 1941 | 26 |
| A 1941 Louis victim | 19 |
| "Super" sight | 23 |
| "Life is just a fantasy" Aldo ___ | 43 |
| "Life is just a fantasy" Aldo | 39 |
| "A Star Is Born" | 26 |
| --- Scotia | 10 |
| -- Scotia | 9 |
| _____Scotia | 11 |
| Exploding stars | 15 |
| Bright stars | 12 |
| Variable stars | 14 |
| Super stars | 11 |
| Astronomical phenomena | 22 |
| Suddenly bright stars | 21 |
| Stellar phenomena | 17 |
| Star bursts | 11 |
| Astronomical flare-ups | 22 |
| The brightest stars | 19 |
| Super stars? | 12 |
| Flaring stars | 13 |
| Blazing stars | 13 |
| Stars that brighten then fade | 29 |
| Stars that brighten and fade | 28 |
| Bursting stars | 14 |
| They may be super | 17 |
| These blaze, then grow dimmer | 29 |