| Answer | Crossword Clue |
|---|---|
| SUN | Our closest star |
| APES | Our closest kin |
| SUN | Closest star |
| SOL | Closest star |
| SOL | Jupiter's closest star |
| ALPHACENTAURI | Closest star system |
| PROXIMACENTAURI | Second-closest star to Earth |
| ALPHACENTAURI | Star system closest to the sun |
| PROXIMA | ... Centauri (closest star to the sun) |
| ALPHACENTAURI | Closest star system to the solar system |
| ALPHACENTAURI | Star system closest to the solar system |
