When Nasa astronaut Sunita 'Suni' Williams, 59, returned to Earth this week, after being stranded in space for 288 days, the changes to her appearance were startling.
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“DNA damage equal to smoking a pack of cigarettes a day, frail bones due to gravitational differences, grey hair,etc.”
Keep in mind, this wasn’t even a year in space. While current propulsion technology will continue to be a hindrance, our bodies handling the harsh realities of space travel will continue to be the real issue.