| ASTRONOMERROYAL | Early moon or star motion study expert (10,5) |
| LEM | Early moon lander, for short |
| ORB | Moon or star, e.g. |
| HEAVENLY | ____ body, a natural object visible in the sky such as a comet, moon or star (8) |
| ORBITS | Curved paths in space followed by an object around a planet, moon or star (6) |
| CASTORANDPOLLUX | Mythical twins, or stars in the constellation Gemini |
| TIDY | The limits of time and motion study in Trim (4) |
| MANIT | Motion-study meas. |
| BALLISTICS | Heraldic flower in north European state leader's time and motion study (10) |
| CLUSTER | A mass of galaxies or stars bound by mutual gravitational attraction; or, any bunch or group of similar or joined things, such as grapes or islands (7) |
| MAGNOLIA | Tree or shrub with goblet- or star-shaped flowers in spring; or, an off-white colour often used for household interior paint (8) |
| WORLD | "Star Trek" or "Star Wars" creation |
| BUSTARD | Bird or star in early growth (7) |
| SCIFI | Star Wars or Star Trek genre: Hyph. |
| ASTRONOMER | Moon starer or star-gazer? (10) |
| POLYGON | A "many-sided" closed shape observed in things from a crystal, honeycomb, snowflake or star fruit slice to a column of basalt rock, frozen puddle, plant stem crosssection or slither of cracked ice (7) |
| INERRANT | Word, from "fixed", meaning accurate, on course, unwandering or unwavering, as in a person or star (8) |
| EPISODES | "Edgemont" or "Star Trek" units |
| TOPPER | Angel or star, to a Christmas tree |
| SUPER | Bowl or star preceder |
