- NEBULA
- Marvellous sister to Gamora
- Diffuse mass of interstellar dust
- Mass of interstellar dust
- Interstellar cloud
- Sci-fi writer's award
- Interstellar formation
- Group of distant galaxies
- Subject of the astrophotograph "Pillars of Creation"
- Interstellar dust cloud
- Cloud in the sky
- Space spiral
- Very, very, very distant cloud
- Crab, for one
- Astronomer's sighting
- Possible outcome of a supernova explosion
- Cloud of dust and gas in space
- Cloud viewed by astronomers
- Hubble sighting
- Intergalactic cloud
- Cosmic cloud
- Space cloud
- Crab __
- Horsehead __
- Cloud in Orion
- Sci-fi/fantasy award
- Crab in space
- One of six awards for Ursula Le Guin
- Astronomical gas cloud
- Cluster of stars
- Astronomical cloud
- Literally, "cloud"
- Many a Hubble sighting
- Bright spot in night sky.
- Cloud of interstellar dust
- Dumbbell, e.g.
- Award for sci-fi writers
- Gaseous body of stellar substance.
- Seen in the sword hilt of Orion.
- Cloudlike mass in the heavens.
- Cloudy celestial body.
- Part of the Milky Way.
- Celestial structure.
- Milky way.
- Celestial phenomenon.
- Astronomer's concern.
- Sky sight
- Cloudlike mass
- Astronomer's subject
- Cloudlike patch in the night sky
- Cloudlike patch seen at night
- Galactic mass
- Cloud of interstellar gas or dust
- Mount Palomar sighting
- Spiral ___
- Crab ___
- Observatory sighting
- Sci-fi author's award
- Cloud of gas and dust
- Distant cloud
- Interstellar matter
- Birthplace of many stars
- Part of a galaxy
- Orion ___
- Cloud in space
- Annual science fiction award
- ___ Awards (annual prizes for science fiction and fantasy)
- Annual award presented by the Science Fiction and Fantasy Writers of America
- Cloud in outer space
- Cloud of interstellar gas and dust
- Gassy, dusty cloud
- Debris from an exploded star, perhaps
- Astronomer's cloud
- The Crab or the Horsehead, in astronomy
- Interstellar gas cloud
- Celestial cloud
- Sci-Fi award
- Award won by Asimov, Herbert and Le Guin
- Cloud seen with a telescope
- The Tarantula, Boomerang or Horsehead, e.g.
- The Crab, the Ant or the Tarantula, e.g.