NOVA S41E10 · Alien Planets Revealed

NOVA

Season 41 · Episode 10 · Alien Planets Revealed · 55 min

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?