Alpha Centauri system


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Related to Alpha Centauri system: Proxima Centauri, Milky Way System

Alpha Centauri system

(sɛnˈtɔːrɪ)
n
(Astronomy) a star system comprising the binary star Alpha Centauri A and B and Proxima Centauri (also called Alpha Centauri C), which is 0.1 light years closer to the sun. Visual magnitude: 0.01 (A), 1.33 (B); spectral type: G2V (A); distance from earth: 4.3 light years. Also called: Rigil Kent See also Proxima
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The only known exoplanet closer to Earth was discovered in 2016 orbiting one of a cluster of stars in the Alpha Centauri system, just over four light-years away.
'Super-Earth' discovered orbiting Sun's nearest star
My first guess was that it's due to the orbital motion of the Proxima Centauri system within the Alpha Centauri system, but I wasn't sure that this would be so noticeable in a period of just 90 days.
Proxima Centauri's Planet
It orbits Proxima Centauri, the closest star to the sun and a member of the triple-star Alpha Centauri system.
Proxima b deserves buzz, even if some didn't notice
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.
Scientists discover new planet that could support human life
Until astronomers build such telescopes, the team aims to search for photosynthetic footprints in the light of the Alpha Centauri system.
Searching for Life in Alpha Centauri System
"There's a good chance that astronomers will find misalignment in the Alpha Centauri system," Batygin predicted.
Earth's orbit tilted by lost star, new theory suggests
Out of this world An Earth-mass planet has been found by German astronomers orbiting a star in the Alpha Centauri system, the Sun's neighbour in space.
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