alpha centauri system

World English Dictionary
Alpha Centauri system (sɛnˈtɔːrɪ)
 
n
See also Proxima 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

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