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Definition of Alpha Centauri B
1. Proper noun. (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. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Alpha Centauri B
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