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Great Attractor

noun
1.
a vast concentration of matter whose gravitational pull alters the direction and speed of the Milky Way and other galaxies as they spread apart in the expanding universe posited by the big bang theory.
Origin
1985-1990
1985-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Great Attractor

Great Attractor

noun
1.
(astronomy) a large mass, possibly a gigantic cluster of galaxies, postulated to explain the fact that many galaxies appear to be moving towards a particular point in the sky
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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