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NOVA - Alien Planets Revealed

Alien Planets Revealed Alien Planets Revealed
It?s a golden age for planet hunters: NASA's Kepler mission has identified more than 3,500 potential planets orbiting stars beyond our Sun. Some of them, like a planet called Kepler-22b, might even be able to harbor life. How did we come upon this distant planet?
http://video.pbs.org/widget/partnerplayer/2365149642/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false It?s a golden age for planet hunters: NASA's Kepler mission has identified more than 3,500 potential planets orbiting stars beyond our Sun. Some of them, like a planet called Kepler-22b, might even be able to harbor life. How did we come upon this distant planet? /episodes/get/11287 /episode/11287 NOVA: Alien Planets Revealed /episode-player/11287
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