red spiral galaxy

English

Noun

red spiral galaxy (plural red spiral galaxies)

  1. (astronomy) A relatively rare type of galaxy (accounting for less than 2% of galaxies locally), a type of spiral galaxy which have a red-coloured presentation, and are found to be passive galaxies, galaxies which have ceased to form new stars, lacking young blue stars while rich in old red stars.

Synonyms

Hypernyms

spiral galaxy
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