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Alpha Centauri system

/ sɛnˈtɔːrɪ /

noun

  1. 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 calledRigil Kent 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


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Alpha Centaurialpha decay