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| Al·pha Cen·tau·ri [ àlfə sen táwree ] |
noun |
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| Definition: |
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1. nearest bright star to Earth: the brightest star in the constellation Centaurus and the nearest bright star to Earth. It is a double star and is approximately 4.3 light-years away.
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2. multiple star: a multiple star that is the brightest star in the constellation Centaurus. It consists of two bright stars and a red dwarf in orbit around each other.
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