multiple star


noun Astronomy.

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

QUIZZES

HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!

Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
anchorite

Origin of multiple star

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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.