| 单词 | alpha centauri |
| 释义 | Alpha CentaurinounAstronomy. a triple-star system that is the brightest celestial object in the constellation Centaurus. Also called Rigel Kentaurus. Origin of Alpha Centauri<New Latin: Alpha of Centaurus Words nearby Alpha Centaurialphabet soup, alpha blocker, alpha brass, alpha carotene, alpha cell, Alpha Centauri, Alpha Centauri system, alpha decay, alpha emitter, alpha-fetoprotein, alpha fiber Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for Alpha CentauriAlpha Centauri [ ăl′fə sĕn-tôr′ē ] A triple star system in the constellation Centaurus that is the third brightest star in the night sky, with an apparent magnitude of -0.27, and the star nearest to Earth, at a distance of about 4.2 light-years. The two brighter stars, Alpha Centauri A and B, form a binary star system, which is orbited by Proxima Centauri, a smaller, dimmer star. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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