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Watch NOVA Season 41 Episode 10 Online

  • 6.9/10
  • COUNTRIES: United States of America
  • Subtitles: English

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?