Extragalactic Nebula — synonyms, definition
1. extragalactic nebula (Noun)
1 synonym
galaxy
1 definition
extragalactic nebula (Noun) — (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust.
ex. "'extragalactic nebula' is a former name for 'galaxy'"
4 types of
accumulation aggregation assemblage collection
7 types
Great Attractor Magellanic Cloud Milky Way Galaxy Milky Way System milky way spiral galaxy spiral nebula
2 parts
cosmic dust star
6 parts of
cosmos creation existence macrocosm universe world