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protogalaxy

[ proh-toh-gal-uhk-see, proh-toh-gal- ]

noun

, Astronomy.
, plural pro·to·gal·ax·ies.
  1. the large concentration of gas and dust from which a galaxy is formed.


protogalaxy

/ ˌprəʊtəʊˈɡæləksɪ /

noun

  1. a cloud of gas in the early stages of its evolution into a galaxy


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Word History and Origins

Origin of protogalaxy1

First recorded in 1945–50; proto- + galaxy

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Example Sentences

By accounting for stars obscured by dust, Rix estimates that the protogalaxy is between 50 million and 200 million times as massive as the sun.

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proto-formProtogenia