| PERIGEE | Point in the orbit of the moon or an artificial satellite when it is nearest the Earth |
| APOGEE | The point in the orbit of a moon or man-made satellite when it is furthest from the earth (6) |
| 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) |
| PERIHELION | Point on Earth's (or any object's) orbit where it is nearest to the Sun |
| SHOT | Launch of a rocket to the Moon; or, an iridescent effect in silk cloth such as taffeta or dupioni (4) |
| HALO | Ring for the moon or an angel |
| STEW | A dish such as a casserole or a daube; or, an artificial oyster bed (4) |
| DRAG | Air resistance in fluid mechanics; a harrow; a mail-coach; or, an artificial scent for foxhounds to pursue (4) |
| NEWMOON | Earth's satellite when appearing as a narrow crescent (3,4) |
| DEIMOS | Mars satellite when unit was set in unconvential modes (6) |
| EROS | Greek god of love, or an asteroid in the orbit of Mars |
| YURIGAGARIN | Cosmonaut who became the first man in space when he made a single orbit of the Earth in Vostok in Ap |
| ORRERY | Mechanical model of the solar system showing the orbits of the planets around the sun at the correct relative velocities (6) |
| CRATER | An astrobleme; one of the circular depressions on the surface of the Moon; or, a volcanic caldera (6) |
| PHASES | Aspects of the moon or a planet in terms of the amount of illumination (6) |
| ORBIT | What is the course of an artificial satellite in space (5) |
| BORMAN | Frank, late astronaut who led the first human orbit of the Moon in 1968 (6) |
| PHASE | Any of the cyclically recurring forms of the moon or a planet, resulting from surface illumination by the Sun (5) |
| ECLIPTIC | Great circle of the celestial sphere representing the apparent orbit of the sun, inclined at 23.45 degrees to the celestial equator (8) |
| HOIST | The part of a flag that is nearest the mast (5) |
