Extragalactic nebula
Extragalactic nebula noun - (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust.
Show all Definitions
Synonyms for Extragalactic nebula
Spiral nebula and extragalactic nebula are semantically related. In some cases you can replace phrase "Spiral nebula" with "Extragalactic nebula", this phrases are similar.
Spiral nebula
Spiral nebula noun - A galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center.
Show all Definitions
Synonyms for Spiral nebula
Extragalactic nebula and spiral nebula are semantically related. You can use "Extragalactic nebula" instead a noun phrase "Spiral nebula".
Mutual synonyms
Cite this Source
Spiral nebula and Extragalactic nebula. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/extragalactic_nebula/spiral_nebula
Extragalactic nebula & Spiral nebula. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/extragalactic_nebula/spiral_nebula>.
Spiral nebula or Extragalactic nebula. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/extragalactic_nebula/spiral_nebula.
Google Ngram Viewer shows how "extragalactic nebula" and "spiral nebula" have occurred on timeline