Sunday, December 29, 2013

Alien World Could Be One Of The Closest Ever Found


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Brown Dwarfs Star System, May Harbor Nearby Alien Planet
WISE J104915.57-531906 is at the center of the larger image, which was taken by the NASA's Wide-field Infrared Survey Explorer (WISE). This is the closest star system discovered since 1916, and the third closest to our sun.

Brown Dwarfs Star System, WISE 1049-5319,
May Harbor Nearby Alien Planet


By Megan Gannon
The Huffington Post
12-27-13

     Astronomers have spotted signs of a possible exoplanet in a nearby system of twin failed stars. If confirmed, the alien world would be one of the closest to our sun ever found.

Scientists only discovered the pair of failed stars, known as brown dwarfs, last year. At just 6.6 light-years from Earth, the pair is the third closest system to our sun. It's actually so close that "television transmissions from 2006 are now arriving there," Kevin Luhman, of Penn State's Center for Exoplanets and Habitable Worlds, noted when their discovery was first announced in June.

The brown dwarf system, which has been dubbed Luhman 16AB and is officially classifed as WISE J104915.57-531906, is slightly more distant than Barnard's star, a red dwarf 6 light-years away that was first seen in 1916. Even closer to our sun is Alpha Centauri, whose two main stars form a binary pair about 4.4 light-years away. The alien planet Alpha Centauri Bb is known to orbit one of the stars in the Alpha Centauri system, and currently holds the title of closest exoplanet to our solar system. [The Strangest Alien Planets Ever Found (Gallery)]

The brown dwarfs were spotted in data from NASA's Wide-field Infrared Survey Explorer (WISE) spacecraft, which took about 1.8 million images of asteroids, stars and galaxies during its ambitious 13-month mission to scan the entire sky. Brown dwarfs are sometimes called failed stars because they are bigger than planets but don't enough mass to kick-off nuclear fusion at their core. . . .


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