By 
James Green
 | 
TED Stage Talk

3 moons and a planet that could have alien life

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.

Related tags:

astronomy
chemistry
data
innovation
mars
microbiology
nature
science
physics
solar system
universe
technology
water
astrobiology
space
aliens
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