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Alpha Centauri system

British  
/ sɛnˈtɔːrɪ /

noun

  1. Also called: Rigil Kent.  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 See also Proxima

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The group became stranded on a distant planet after their ship, the Jupiter 2, went off course en route to colonize a planet in the Alpha Centauri system.

From Los Angeles Times

Proxima Centauri, a red dwarf that is part of the three-star Alpha Centauri system, is our star’s closest neighbor, just four light-years away.

From New York Times

“These types of high-risk missions have been really hard to sell to public funding agencies, because there’s a chance there is no planet in the Alpha Centauri system,” Guyon says, yet the potential rewards are great.

From Scientific American

The small shoebox-sized telescope is being designed with a specific goal in mind: look for planets in the Alpha Centauri system, specifically any in its habitable zone, the starlight-warmed region in which liquid water could persist on a rocky world’s surface.

From Scientific American

Even if it does not detect anything, the mission will place useful constraints on the Alpha Centauri system.

From Scientific American