Definition of Alpha Centauri in English:
Alpha Centauri
proper nounˌalfə sɛnˈtɔːrʌɪˌalfə senˈtôrē
Astronomy The third-brightest star in the sky, in the constellation Centaurus, visible only to observers in the southern hemisphere. It is the nearest bright star to the solar system (distance 4.34 light years), and is a visual binary.
Also called Rigil Kentaurus
Definition of Alpha Centauri in US English:
Alpha Centauri
proper nounˌalfə senˈtôrē
Astronomy The third brightest star in the sky, in the constellation Centaurus, visible only to observers in the southern hemisphere. It is the nearest bright star to the solar system (distance 4.34 light years), and is a visual binary.
Also called Rigil Kentaurus