411 REFERENCE · Wiktionary
Alpha Centauri B
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English
Alternative forms
en α-Centauri B
Proper noun
Alpha Centauri B
en star The brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Proxima Centauri as a third component. Alpha Centauri B is less bright than Alpha Centauri A and is somewhat less bright than our sun.