单词 | Alpha Centauri system |
释义 | Alpha Centauri system(sɛnˈtɔːrɪ) noun 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 |
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