| SCHIRRA | Only astronaut to try in the Mercury, Gemini and Apollo programs |
| ESSAYISTS | Bacon and the like to try in stews, then soups to start with |
| ESSAYIST | Try in the formal sense to get visa at The Centre open to travel writer (8) |
| CASTOR | The stars in the constellation Gemini, ... & Pollux |
| PEAKE | Author of a series of books set in the crumbling fictional castle Gormenghast; or, the first British ESA astronaut to visit the International Space Station (5) |
| JOHNGLENN | The first US astronaut to orbit the earth, in 1962, circling it thrice (4,5) |
| ALDRIN | Buzz, the second U.S. astronaut to set foot on the moon in 1969 (6) |
| TIMPEAKE | In 2016, the first British astronaut to walk in space (3,5) |
| IVF | Baby-making treatment that Tori Morgan wants to try in Home and Away (1,1,1) |
| NTAMACK | Emile ?, France and Toulouse rugby union wing; first player to score a try in the Heineken Cup |
| HAM | Famous chimp in the Mercury space program |
| HIDING | Defeat current racket appearing in The Mercury |
| ESSAYER | Composition writer was to try in French (7) |
| QUAD | Risky thing to try in figure skating |
| TYRANNIC | Can try, in the confusion, to be like a despot (8) |
| MEDUSA | ____ Nebula, found in Gemini and with hair-like strands of glowing hydrogen (6) |
| LETO | Daughter of the Titans Phoebe and Coeus who bore Artemis and Apollo to Zeus (4) |
| SHEPARD | Alan, the first US astronaut to travel in space (7) |
| NASA | Mercury, Gemini, Apollo org. |
| ARTEMIS | Space program begun in 2017 with the aim of returning astronauts to the Moon (7) |