Alpha Centauri

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Related to Alpha Centauri A: Beta Centauri, Proxima Centauri, Alpha Centauri B

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.

Al′pha Centau′ri


n.
a triple-star system that is the brightest celestial object in the constellation Centaurus.
[< New Latin: Alpha of Centaurus]

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.
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
References in periodicals archive ?
The question, then, is: what can be done to slow down the nanocrafts long enough to not only examine the stars Alpha Centauri A and B, but to also venture close to the red dwarf Proxima Centauri and study the Earth-like planet Proxima b?
3 light-years, this system is made up of the binary formed by the stars Alpha Centauri A and Alpha Centauri B, plus the faint red dwarf Alpha Centauri C, also known as Proxima Centauri.
It is the faintest of the three, which also include a much brighter pair of stars known as Alpha Centauri A and B.
First discovered in 1915, the Alpha Centauri System is part of the Centaurus constellation and is so close to one another that its two stars, Alpha Centauri A and Alpha Centauri B, can actually be seen in the night sky.
Washington, Feb 20 ( ANI ): ESA's Herschel space observatory has detected a cool layer in the atmosphere of Alpha Centauri A, the first time this has been seen in a star beyond our own Sun.
Days on a planet orbiting Alpha Centauri A or B would follow a weird alien cycle.
While the newly discovered planet circles Alpha Centauri B, it's part of a system of three stars: Alpha Centauri A, B and the slightly more distant Proxima Centauri.
Actually, there are two Alpha Centauri stars: Alpha Centauri A and Alpha Centauri B.
3 light-years from Earth, consists of three stars - Alpha Centauri A, B, and Proxima Centauri.