| CASSINIHUYGENS | U.S.-European space mission to Saturn launched in 1997. After multiple flybys of the planet and its moons, a probe detached from the spacecraft and landed on Titan in 2005. Controllers sent the remain |
| JUNO | NASA space probe that performed a close flyby of the Jovian moon Ganymede in June 2021 (4) |
| PIONEER | NASA space programme whose tenth and eleventh probes made the first flybys of Jupiter (1973) |
| MIKETYSON | Former world heavyweight boxing champion banned in 1997 after biting an opponent's ear (4,5) |
| RUNRIOT | After multiple gigs new trio perform without restraint (3,4) |
| NEPTUNE | The writer returns with an air to a planet and its king (7) |
| EARTHS | Our planet, and its counterparts across the multiverse |
| BYYOURSELF | Euro flybys prepared independently (2,8) |
| TENURED | Given permanent post in U.S., European turned bolshie (7) |
| NATO | U.S./European force |
| ORRERY | Clockwork model of the solar system showing the movements of the planets and moons around the Sun (6) |
| GIOTTO | First deep-space mission by the European Space Agency, launched to study the 1986 appearance of Halley's Comet (6) |
| PEAKE | European Space Agency astronaut whose playlist during the launch of his 186-day Principia mission included U2's Beautiful Day and Coldplay's A Sky Full of Stars (5) |
| EUCLID | Space telescope launched by the European Space Agency in July 2023 to study dark matter and dark energy (6) |
| TIMPEAKE | The first British astronaut to visit the International Space Station with the European Space Agency (3,5) |
| TIEPOLO | Rococo painter of "Allegory of the Planets and Continents" |
| CASSINI | Spacecraft launched in 1997 to explore Saturn (7) |
| COLUMBUS | The European Space Agency's programme contributing to the International Space Station |
| VENUS | The hottest planet and second- brightest natural object in the night sky after the Moon, where a single day is around eight Earth months (5) |
| JUPITER | Largest of the planets and fifth from sun (7) |
