KEPLER-186F Planet For ALIEN 2014 - Documentary

Watch it in HD: If Alien exist where do they live and how do they live? Scientists say a world that’s 490 light-years away qualifies as the first confirmed Earth-sized exoplanet that could sustain life as we know it — but in an environment like nothing we’ve ever seen. The planet, known as Kepler-186f, is “more of an Earth cousin than an Earth twin,“ Elisa Quintana, an astron