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NOVA — S41E10
Episode: Alien Planets Revealed
Air Date: 2014-01-08
Runtime: 55 min
Overview
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?