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WordNet-Online 
 Definitions from WordNet | ||||
| Definitions from the WebBeta CentauriDescription:Beta Centauri is the second-brightest star in the constellation of Centaurus and one of the closest stars to Earth. It is a binary star system consisting of two stars, Beta Centauri A and Beta Centauri B. Senses:Sense 1: (Noun) A binary star system in the constellation of Centaurus. Sense 2: (Noun) The second-brightest star in the constellation of Centaurus. Usages:Usage 1: Beta Centauri is easily visible in the southern hemisphere during summer nights. Usage 2: Astronomers study the spectral characteristics of Beta Centauri to determine its properties. Sample Sentences:Sense 1: 
 Sense 2: 
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