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association of stars

noun
1.
Astronomy, stellar association.

stellar association

noun, Astronomy
1.
a sparsely populated group of between 10 and 1000 young stars of similar spectral type and common origin that are moving too fast to form a permanent, gravitationally bound system.
Also called association of stars, association.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Article for association stars

stellar association

a very large, loose grouping of stars that are of similar spectral type and relatively recent origin. Stellar associations are thought to be the birthplaces of most stars

Learn more about stellar association with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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