Alpha Centauri


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Related to Alpha Centauri: Proxima Centauri, Andromeda galaxy

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 ?
When your correspondent mentioned Alpha Centauri it reminded me of Babylon 5, when 'Citizen G-Kar' of the Narn Regime was captured by Centauri Dragoons and taken to the evil Emperor Cartasia, on Centauri Prime.
Proxima Centauri, a red dwarf star, is the smallest of the three stars in the Alpha Centauri system about four light-years away, and it also hosts an exoplanet called Proxima b.
Hawking also gave light to a project that he is backing-the Breakthrough Starshot initiative-which aims to develop ultra-fast light-powered spacecraft that can accommodate humans to habitable worlds circling around the nearby star, Alpha Centauri.
On the other hand, even as our sister planets would be invisible [from] Alpha Centauri, so also any similar planets there would be invisible to us.
FRIDAY: Karl Burke's Laurens and Jessica Harrington's Alpha Centauri face off in a renewal of the Fillies' Mile at Newmarket.
Wolfling is set in a future where an expedition from Earth reaches Alpha Centauri II, only to find that all life is governed by the Throne World - including Earth, one of its remote outposts.
Clemmie is the best of the fillies off a mark of 108, 1lb ahead of Alpha Centauri and Actress.
It begins with an introduction to our main character, Cassandra Fish - a woman orphaned at a young age who wears a spacesuit, believes she's from Alpha Centauri and awaits the day her alien parents will come to rescue her.
Milner said that came "only a few months" after the trio launched the Breakthrough Starshot project, which "aims to launch a tiny spacecraft to Alpha Centauri within a generation".
It orbits Proxima Centauri, the closest star to the sun and a member of the triple-star Alpha Centauri system.
The closest star system to the Earth is the famous Alpha Centauri group.
It is the faintest of the three, which also include a much brighter pair of stars known as Alpha Centauri A and B.