Rigil Kentaurus

Definition

Astronomy

  • Alpha Centauri, the fourth brightest star in the sky and the brightest in Centaurus. With an apparent magnitude of 0.01 and an absolute magnitude of 4.39, Rigil Kentaurus belongs to spectral type G2 and is 4.3 light years from Earth, making it the nearest star to the Sun apart from Proxima Centauri, another member of the same star system.
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