'''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]]. |