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[[Image:Position_Alpha_Cma.png|thumb|right|179px|Position and location of Sirius]]

'''Sirius''', also known as '''Alpha Canis Majoris''' or the '''Dog Star''', is the fifth closest star to our [[Solar System]] at 8.6 light years, and the brightest star in the sky with an apparent  magnitude of -1.46<ref>http://www.atlasoftheuniverse.com/stars.html</ref>.  It is located in the Constellation [[Canis Major]] and is a [[binary star|binary star system]].  

'''Sirius''', also known as '''Alpha Canis Majoris''' or the '''Dog Star''', is the fifth closest star to our [[Solar System]] at 8.6 light years, and the brightest star in the sky with an apparent  magnitude of -1.46<ref>http://www.atlasoftheuniverse.com/stars.html</ref>.  It is located in the Constellation [[Canis Major]] and is a [[binary star|binary star system]].