| ASTRONOMY | From the Greek meaning "stararranging", the study of celestial objects, originally as a means of timekeeping and navigation (9) |
| ALMS | Charitable donations to the poor, originally as a religious duty (4) |
| ERSE | Intrinsically not quiet, originally, as a language |
| ASTRO | Prefix with physics for the study of celestial objects |
| SCHEME | A diagram of the positions of celestial objects; a chart, outline or table; a systematic plan of action; or, a secret or underhand plot (6) |
| PLANETARIUM | Building offering views of celestial objects and their movements, the one in Mallorca is located in Costitx in the centre of the island (11) |
| SYSTEM | Set of celestial objects connected by gravitational attraction; modus operandi; or, the human body as a whole (6) |
| ASTRONOMICAL | Relating to the study of celestial bodies, it is extremely large (12) |
| SCUD | Type of tactical ballistic missile developed by the Soviet Union during the Cold War, originally as the R-11 (4) |
| CAMPBELL | Surname of Tim who was the first ever winner of The Apprentice and who joined the show as an adviser in 2022 (8) |
| ARCH | Structure forming part of a bridge or an aqueduct; or, a triumphal gateway, such as that designed by John Nash, originally as entrance to Buckingham Palace (4) |
| LAUD | Sing or speak the praises of, originally as an act of worship (4) |
| TITHE | Tenth of farm produce in a parish, taken originally as tax or contribution towards the church and clergy (5) |
| NUGGETCOOMBS | Which Governor of the Reserve Bank and left wing economist is the subject of Tim Rowse's 2002 biogra |
| SYNODIC | Relating to the conjunction of celestial objects (7) |
| ASTROLOGER | Person predicting events based on the movements of celestial objects (10) |
| STADDLE | - stone; mushroom-shaped object originally for raising tithe barns and granaries off the ground but now generally used as a feature in country gardens (7) |
| STEPFATHER | In the British royal family, the relationship of Tim Laurence to Peter Phillips (10) |
| ORBITS | Curved paths of celestial objects (6) |
| METEORSWARM | Group of celestial objects |
