What is the meaning of extragalactic nebula?

noun

  • Astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust. (
    • usage: "`extragalactic nebula' is a former name for `galaxy'"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). extragalactic nebula. Retrieved September 20, 2026, from http://smartdefine.org/extragalactic_nebula/definitions/1327538
ChicagoWordNet. 2010. "extragalactic nebula" http://smartdefine.org/extragalactic_nebula/definitions/1327538 (accessed September 20, 2026).
HarvardWordNet 2010, extragalactic nebula, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/extragalactic_nebula/definitions/1327538>.
MLAWordNet. "extragalactic nebula" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/extragalactic_nebula/definitions/1327538>