| ORBITER | A spacecraft or satellite designed to go around a planet or other body without landing on it |
| LANDER | A spacecraft designed to come to rest on a planet or other body (6) |
| ORBIT | Go around (a planet) |
| GREATTIT | Flyer's new target, landing on it |
| ORBS | Planets or other spheres |
| APSIS | Point in the orbit of a planet or satellite at which it is nearest to or furthest from the body around which it revolves (5) |
| VOLCANO | Its origins in English can be traced to Italian (or Spanish but ultimately Latin). It describes, as Britannica defines it, a "vent in the crust of Earth or another planet or satellite, from which issu |
| SATELLITE | A celestial body orbiting around a planet or star |
| LADDERS | Series of gradually rising levels which allow migrating fish to go around a darn or other obstacle in a river (7) |
| REENTRY | A move back into the earth's atmosphere by a spacecraft or missile (2,5) |
| TRACT | System of organs, glands or other body parts performing a particular function (5) |
| YAWMETER | An instrument used to detect changes in the direction of flow round an aircraft or other body (8) |
| MASS | From "barley cake", a block, chunk, hunk, lump, wodge or other body of matter with no definite shape (4) |
| UPLINK | Transmitter which sends signals to spacecraft or satellites |
| CICERO | Roman orator who said "A room without books is like a body without a soul" |
| MANNED | Having a human crew, said of a spacecraft or such vehicle (6) |
| INNERVATION | The supply of nerves to organs or other body parts (11) |
| WRISTS | Body parts that become other body parts if you change the second letter to an A |
| LAUNCHPAD | The special area from which a spacecraft or missile are propelled (6,3) |
| MORTMAIN | Legal status of property held in perpetuity by an ecclesiastical or other body; from Latin, 'dead hand' (8) |
