| NEBULA | From the Latin meaning "mist", an interstellar space cloud (6) |
| NEBULAE | Interstellar space clouds |
| ARK | The ___, US science fiction series starring Christie Burke as an interstellar spacecraft captain (3) |
| HALO | Video-game franchise about an interstellar war |
| PARSEC | Distance in interstellar space |
| AURORA | From the Latin meaning "dawn", a phenomenon caused as the result of escaped charged particles from the solar wind colliding with atoms in Earth's magnetosphere (6) |
| NUANCE | Derived from the Latin meaning "cloud", a subtle difference in colour, meaning, expression, sound or tone (6) |
| OMNIUM | From the Latin meaning "all", a multi-discipline race event in track cycling, won by Laura Kenny nee Trott at both the 2012 and the 2016 Olympic Games (6) |
| GODWIT | With a genus name that derives from the Latin meaning "muddy", a wading bird with four existent species including the black-tailed and bar-tailed (6) |
| FERRET | Known collectively as a business, an animal whose name derives from the Latin meaning "little thief" (6) |
| RODENT | From the Latin meaning "to gnaw", an animal such as squirrel, mouse, guinea pig or chinchilla (6) |
| VESPER | From the Latin meaning "evening", Venus at sunset (6) |
| PANTRY | From the Latin meaning "bread", a larder-like room or cupboard for nonperishable foods, crockery and linen (6) |
| GYPSUM | From the Latin meaning "chalk", a mineral used to make cement and plaster of Paris (6) |
| CROCUS | From the Latin meaning "saffron yellow", a flowering corm forming a drift in a naturalised lawn, woodland, alpine meadow or under a deciduous tree (6) |
| HELIOSPHERE | Region around the sun beyond which interstellar space begins, dominated by the sun's magnetic field and the solar wind (11) |
| COSMICRAYS | Penetrative particles from interstellar space (6,4) |
| OORT | __ cloud: comet-filled region in interstellar space |
| OUTERSPACE | Interstellar space |
| DEEPSPACE | Interstellar space |
