Is Earth really the only life-sustaining planet in existence? These speakers think there might just be something or someone else out there, and urge us not to stop the search.
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| 1 |
3 moons and a planet that could have alien life
10:43
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Is there life beyond Earth? Join NASA's director of planetary science James Green for a survey of the places in our solar system that are most likely to harbor alien life.
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| 2 |
Could a Saturn moon harbor life?
04:40
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Carolyn Porco shares exciting new findings from the Cassini spacecraft's recent sweep of one of Saturn's moons, Enceladus. Samples gathered from the moon's icy geysers hint that an ocean under its surface could harbor life.
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| 3 |
Jill Tarter's call to join the SETI search
21:23
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The SETI Institute's Jill Tarter makes her TED Prize wish: to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the universe.
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| 4 |
Let's look for life in the outer solar system
20:39
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Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
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