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Can humans become a multi-planet species?

NASA astrobiologist Chris McKay travels the most remote parts of Earth to understand how life might survive on other planets. But he’s also investigating another potential life form in space: humans. Can humans become a multi-planet species, he asks. Can we sustain a permanent settlement on Mars?

Miles O’Brien sat down with McKay recently while reporting on the launch of the Orion space capsule.

The post Can humans become a multi-planet species? appeared first on PBS NewsHour.


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