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Side-by-side photos of NASA astronauts Butch Wilmore and Suni Williams show the dramatic changes in their faces after their ...
To counteract these effects, astronauts must exercise every day in space — for about two hours, including cardio and resistance training — as part of their job to keep their bones and muscles ...
US astronauts Suni Williams and Barry Wilmore have been stranded ... or technical failures on board the spacecraft. But despite excellent training, human fallibility and failings will emerge given ...