EXTRAGALACTIC NEBULA

Pronunciation:		`ekstrugu'laktik 'nebyulu
WordNet Dictionary

	Definition:	[n] (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'"

	Websites:

	Synonyms:	galaxy

	See Also:	accumulation, aggregation, assemblage, collection, cosmic dust, cosmos, Great Attractor, Magellanic Cloud, Milky Way, Milky Way Galaxy, Milky Way System, spiral galaxy, spiral nebula, star, universe