Baby Feet, Muscle Loss...Challenges Await Astronauts Sunita Williams, Butch Wilmore On Their Return

NASA astronauts Sunita Williams and Butch Wilmore are finally on their way back home to Earth, after a nine-month stay on the International Space Station (ISS). But their extended space odyssey isn't their biggest challenge yet. After months in microgravity or 'zero-G', astronauts often face health challenges, ranging from dizziness to ‘baby feet’ to a ‘weightless tongue’ and even impaired vision.00:34 TWO ASTRONAUTS, ONE GRAVITY CHALLENGE 00:55 WHY SPACE TRAVEL HITS HARD01:56 BABY FEET AND BRITTLE BONES, A DOUBLE THREAT02:18 PUFFY FACES & BLURRY VISION, SPACE'S SIDE EFFECTS02:57 RADIATION RISKS, AN INVISIBLE DANGER03:37 MENTAL STRAIN, THE HIDDEN SPACE HAZARD03:59 A LONG ROAD AHEAD n18oc_world n18oc_crux