Definition of Alpha Centauri in English:

Alpha Centauri

Syllabification: Al·pha Cen·tau·ri
Pronunciation: /ˌalfə senˈtôrē
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.

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
turned backwards