| NEBULA | Dust or gas cloud in space |
| NEBULAE | Cosmic dust or gas clouds |
| CRABNEBULA | Expanding gas cloud in the constellation Taurus originating from a supernova observed by Chinese astronomers in 1054 AD (4,6) |
| NEBULAR | Like a dust cloud in space; ban rule (anag.) (7) |
| COSMICDUST | Commander's recording uranium in vapour clouds in space |
| NEBULAS | Sci-fi writers' awards, or clouds in space |
| CULM | Coal dust or colliery waste; inferior anthracite; or, from Latin for "stalk", a stem of a grass or sedge (4) |
| COAT | An outer garment; an animal's fleece, fur, pelage, pelt or wool; a layer of dust or paint; or, any covering (4) |
| TUDORS | Dust or tidy those in English house (6) |
| BIN | Word with trash or dust or coal |
| BULSE | A little bag or purse for diamonds, gold dust or "sparks" (5) |
| CLOUDS | Cirri, cumuli, nimbi and other nephological masses; or, volumes of dust or smoke resembling these (6) |
| DEVIL | Dust or sandcarrying windstorm |
| DUSTER | Dust or sandcarrying windstorm |
| DUSTSTORM | Dust or sandcarrying windstorm |
| SIMOOM | Dust or sandcarrying windstorm |
| DUSTDEVIL | Dust or sandcarrying windstorm |
| SANDSTORM | Dust or sandcarrying windstorm |
| SIROCCO | Dust or sandcarrying windstorm |
| SHAITAN | Dust or sandcarrying windstorm |