The Closest Star System Found in a Century

WISE J104915.57-531906

You have probably heard of Alpha Centauri and Proxima Centauri, the closest known stars to the Sun.  About 100 years ago, Barnard's Star was discovered to be only about 1.5 light years further from us than the Alpha Centauri system. Just recently, though, a Penn State astronomer discovered the third closest star system to the Sun, but this time, instead of normal stars, this system includes "brown dwarfs", which are sometimes referred to as "failed stars".

For more information, see the full story on the Penn State Science site.