English dictionary
extragalactic nebula meaning and definition
Definition and meaning of extragalactic nebula at MeaningMonkey.org. extragalactic nebula meaning and definition in the English Dictionary.EXTRAGALACTIC NEBULA noun
Definition of extragalactic nebula (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'"
- synonyms: galaxy
Source: Princeton University Wordnet