CU Professor: Scott Kelly’s Long Space Stay Will Help With Mars Mission Research

BOULDER, Colo. (CBS4) – He spent 340 days in space, but the toughest times may still be ahead for NASA astronaut Scott Kelly.
Kelly is heading home on Tuesday from a record breaking stay at the International Space Station. He’s the first American to live in space for such a long period of time.
Astronaut Scott Kelly drinking coffee in space (credit: Scott Kelly)
“Coming home is the more challenging part of this in some ways because now you come back to a gravity environment, yo