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multiple star

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noun Astronomy.

three or more stars lying close together in the celestial sphere and usually united in a single gravitational system.

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Origin of multiple star

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for multiple star

multiple star

noun

a system of three or more stars associated by gravitationSee also binary star
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

Scientific definitions for multiple star

multiple star

A system of three or more stars that are bound together by gravity and orbit a common center of mass. The group generally appears as a single star to the naked eye. Astronomers believe that most stars in the universe are part of multiple or binary systems. Alpha Centauri, the closest star to our Sun, is a multiple star system containing three bodies. See also binary star.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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