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protogalaxy
[ proh-toh-gal-uhk-see, proh-toh-gal- ]
noun
, Astronomy.
, plural pro·to·gal·ax·ies.
- the large concentration of gas and dust from which a galaxy is formed.
protogalaxy
/ ˌprəʊtəʊˈɡæləksɪ /
noun
- 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
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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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