| 100% | SUN | 3 | At the middle of the solar system |
| 80% | SUN | 3 | Star at the center of the solar system |
| 78% | TOMBAUGH | 8 | Clyde, found Pluto at the end of the solar system |
| 77% | SUN | 3 | The star at the center of our solar system |
| 76% | SUN | 3 | Star at the center of our solar system |
| 76% | SUN | 3 | Star at the centre of our solar system |
| 71% | SUN | 3 | *Star at the center of our solar system, and a bright name for a newspaper |
| 63% | SUN | 3 | The center of our solar system |
| 62% | VASSAL | 6 | He is at the bottom of the feudal system |
| 62% | SUN | 3 | Centre of the solar system |
| 62% | ORRERY | 6 | Model of the solar system |
| 62% | SUN | 3 | Center of the solar system |
| 62% | SUN | 3 | Center of the solar system? |
| 62% | SUN | 3 | Star of the solar system |
| 61% | ORRERY | 6 | Mechanical model of the Solar System |
| 59% | SUNSETS | 7 | Golden solar effects at the end of the day |
| 59% | PLANETS | 7 | The solar system has eight of them |
| 59% | SUNBIRD | 7 | A feathered creature whose name is inspired by the centre of the solar system |
| 59% | XENA | 4 | Dwarf planet in the outer reaches of the solar system |
| 58% | BASTILLE | 8 | The __, French jail at middle of the Revolution |
| 58% | PLUTO | 5 | Second-most massive of the solar system's known dwarf planets |
| 57% | ONE | 3 | Number of stars in the Solar System |
| 57% | EIGHT | 5 | Number of planets in the solar system |
| 57% | TICK | 4 | Galactic ___ Day, awareness day that celebrates the movement of the Solar System around the Milky Way |
| 57% | COPERNICUS | 10 | Polish astronomer whose theory of the solar system was published in 1543 |
| 57% | FOUR | 4 | Number of rocky planets in the solar system |
| 56% | INTERMISSION | 12 | Break ... such as at the middle of 18-, 27-, 50- or 58-Across? |
| 56% | ADES | 4 | Open cluster of stars in the solar system: Hy___ |
| 56% | NINE | 4 | Number of planets in the solar system, before 2006 |
| 55% | NET | 3 | It's in the middle of a court at Wimbledon |