Alpha Centauri

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Al·pha Cen·tau·ri

 (ăl′fə sĕn-tôr′ē)
n.
A multiple star in Centaurus, 4.4 light years from Earth, whose three components form the brightest object in the constellation and the third brightest star in the night sky.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Al′pha Centau′ri


n.
a triple-star system that is the brightest celestial object in the constellation Centaurus.
[< New Latin: Alpha of Centaurus]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Al·pha Cen·tau·ri

(ăl′fə sĕn-tôr′ē)
A multiple star consisting of three stars in the constellation Centaurus. It is the star nearest Earth, at a distance of 4.4 light-years, and it is the third brightest star in the night sky. ♦ Prox·i·ma Centauri (prŏk′sə-mə) is the individual star in this system that is closest to Earth, but it is very faint and far from the system's center of mass.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Alpha Centauri - brightest star in Centaurus; second nearest star to the sun
Centaurus, Centaur - a conspicuous constellation in the southern hemisphere near the Southern Cross
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Alpha Centari, our nearest star neighbor (if placed on the opposite side of the Earth it would only be half as far away as it would need to be to be accurately placed - darn).