bn:00032476n
Noun Concept
Categories: Use mdy dates from February 2015, Galaxies, Articles with short description, Concepts in astronomy, long volume value
EN
galaxy  extragalactic nebula  star system  Colonization of other galaxies  earliest galaxies
EN
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust WordNet 3.0
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EN
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust WordNet 3.0 & Open English WordNet
A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. Wikipedia
Astronomical system that consists of a large number of stars and other matter. Wikipedia Disambiguation
Astronomical structure Wikidata
A huge gravitationally bound system of relatively close stars. OmegaWiki
Any of the collections of many millions or billions of stars, galactic dust, black holes, etc. existing as independent and coherent systems, of which there are billions in the known universe. Wiktionary
EN
`extragalactic nebula' is a former name for `galaxy' WordNet 3.0 & Open English WordNet