NOVA

Alien Planets Revealed

Passport Season 41 Episode 1 | 53m 7s Video has closed captioning.

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?

Aired: 01/08/14

Expires: 01/07/24

Rating: TV-G

Problems Playing Video? | Closed Captioning

Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Additional funding is provided by the Millicent and Eugene Bell Foundation.

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