protogalaxy
[ proh-toh-gal-uhk-see, proh-toh-gal- ]
noun,plural pro·to·gal·ax·ies.Astronomy.
the large concentration of gas and dust from which a galaxy is formed.
Origin of protogalaxy
1Words Nearby protogalaxy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use protogalaxy in a sentence
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.
A protogalaxy in the Milky Way may be our galaxy’s original nucleus | Ken Croswell | September 21, 2022 | Science News
British Dictionary definitions for protogalaxy
protogalaxy
/ (ˌprəʊtəʊˈɡæləksɪ) /
nounplural -axies
a cloud of gas in the early stages of its evolution into a galaxy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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