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Alpha Centauri

Alpha Centauri (α Cen / α Centauri) is the brightest star system (a triple star system) in the southern constellation of Centaurus, and contains the fourth brightest star in the night sky

Note:   The above text is excerpted from the Wikipedia article "Alpha Centauri", which has been released under the GNU Free Documentation License.
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Space & Time News
February 11, 2016

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updated 12:56 pm ET