| PARSEC | Astronomical distance of 3.26 light years (6) |
| SCRAPE | Awkwardness of 3.26 light years (6) |
| PARSECS | Astronomical units equal to roughly 3.26 light-years |
| SATURN | Rocket an astronomical distance from the Earth (6) |
| SECPAR | Astronomical distance |
| GRISLY | Light years without heat is horrible (6) |
| MINUTE | Time light years away, stars appear so? (6) |
| LENGTH | Span of a horse from nose to tail as a measure of the lead in a race; or, the distance of a swimming pool from one end to the other (6) |
| ASINUS | "Ego ... perfectus ____," inquit Lucius in libro ab Apuleio scripto (vide Met. 3.26) |
| HUBBLE | NASA Telescope that has made some 1.3 million observations including MACS J1149 Lensed Star 1 (or Icarus), a star some 9 billion light-years from Earth (6) |
| HOWARD | Author whose Cazalet Chronicles comprises The Light Years, Casting Off, All Change and two further titles (6) |
| LEAGUE | Former unit of distance of varying length, typically three miles on land and three nautical miles at sea (6) |
| ANANKE | Former asteroid that orbits Jupiter at a distance of some 23 million miles. This irregularly shaped moon is named for the personification of fate and necessity in Greek literature. (6) |
| LTYR | One of 3.26 in a parsec: Abbr. |
| ATARMS | The distance of a rifle away? (2,4,6) |
| LYCEUM | London theatre within walking distance of Covent Garden and Temple Tube stations (6) |
| SUSSEX | ...... Stakes, Group 1 horse race at Goodwood over a distance of one mile (6) |
| BERTHA | The legendary gun which shelled Paris during WWI from a distance of 70 miles was called 'Big ...' |
| LIGHTYEAR | Unit of astronomical distance (5,4) |
| PARSE | Analyse almost astronomical distance |
