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Definition of Extragalactic nebula
1. Noun. (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust. "`extragalactic nebula' is a former name for `galaxy'"
Exact synonyms: Galaxy
Category relationships: Astronomy, Uranology
Generic synonyms: Accumulation, Aggregation, Assemblage, Collection
Specialized synonyms: Spiral Galaxy, Spiral Nebula, Great Attractor, Milky Way, Milky Way Galaxy, Milky Way System
Specialized synonyms: Magellanic Cloud
Member holonyms: Star
Group relationships: Cosmos, Creation, Existence, Macrocosm, Universe, World
Terms within: Cosmic Dust
Derivative terms: Galactic
Category relationships: Astronomy, Uranology
Generic synonyms: Accumulation, Aggregation, Assemblage, Collection
Specialized synonyms: Spiral Galaxy, Spiral Nebula, Great Attractor, Milky Way, Milky Way Galaxy, Milky Way System
Specialized synonyms: Magellanic Cloud
Member holonyms: Star
Group relationships: Cosmos, Creation, Existence, Macrocosm, Universe, World
Terms within: Cosmic Dust
Derivative terms: Galactic
Lexicographical Neighbors of Extragalactic Nebula
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