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So, We Discovered 3 Planets That Could Sustain Life. Now What?

So We Discovered 3 Planets That Could Sustain Life. Now What?

Scientists recently discovered three planets that they say have the right conditions to sustain life — and those planets are pretty close, by astronomical terms. In this episode of HuffPost's "Talk Nerdy To Me," Seth Shostak of the SETI Institute and host Karah Preiss break down exactly what the new discovery means when it comes to the search for extraterrestrial life.

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