Posted: Oct 07, 2017 4:02 pm
This is a good follow up article for this thread.
Astronaut Scott Kelly on the devastating effects of a year in space
NASA astronaut Scott Kelly spent a year in space. His recollections of this unprecedented test of human endurance, and the physical toll it took, raise questions about the likelihood of future travel to Mars.
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Astronaut Scott Kelly on the devastating effects of a year in space