The @PolarisProgram astronaut mission is headed for an altitude 3 times higher than the Space Station, the furthest that humans have been from Earth in over half a century! https://t.co/lYgsA5vMGk https://video.twimg.com/amplify_video/1833465041422848002/vid/avc1/1258x720/mkYaSu13vxd4eLpI.mp4?tag=16