bn:00032476n
Noun Concept
Categories: Articles with short description, Galaxies, long volume value, Use mdy dates from February 2015
EN
galaxy  extragalactic nebula  star system  Colonization of other galaxies  Galactic magnetic field
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 & WordNet 2020
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. Wikipedia
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