Thứ Hai, 29 tháng 1, 2018

The Astronaut Who Might Actually Get Us to Mars


The Astronaut Who Might Actually Get Us to Mars
The improbable journey of Franklin Chang Díaz, who immigrated to the U.S. at eighteen, became an astronaut, tied the record for most spaceflights, and now might hold the key to deep space travel.

January 29, 2018 at 12:47AM
via Digg http://ift.tt/2rJhnfD

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