| SOLARSYSTEM | Mars, yes, lots of other planets, and the sun |
| ASTRONOMICAL | Relating to the scientific study of the stars, planets and the universe as a whole (12) |
| OPAL | Rock heads for other planet, and luminesces |
| RADAR | Device used to map the surface of other planets |
| ETS | Resident of other planets: Abbr. |
| PLUTO | The smallest planet and the farthest from the sun (5) |
| MARS | The red planet (and the fourth one from the sun) |
| GAIA | Spirit of the planet on "Captain Planet and the Planeteers" |
| ORRERY | Clockwork model of the solar system showing the movements of the planets and moons around the Sun (6) |
| TIDE | The periodic rise and fall of the sea due to the attraction of the moon and the sun |
| JUPITER | 5th Solar planet and the largest of them all |
| ELIAS | Koteas of "Janet Planet" and "The Silent Planet" |
| HEAPS | Disorderly piles? Yes, lots and lots of a different shape (5) |
| PURSE | Never far away, it's the place a mom keeps her wallet, keys and lots of other stuff |
| RICH | Many people dream of winning the lottery, but if you're willing to work hard, there are lots of other ways to become ___ |
| ISHIGURO | Author of The Remains of the Day and forthcoming Klara and the Sun (8) |
| SGTPEPPERS | Classic album featuring Mr. H on its cover (and lots of other folks, too) |
| ASTRONOMY | Scientific study of the sun, moon, planets and stars (9) |
| ASTROGEOLOGY | Planetary science concerned with the geology of planets and other celestial bodies (12) |
| TIEPOLO | Rococo painter of "Allegory of the Planets and Continents" |
