Starting around 8 am Eastern time, two American astronauts stepped outside the comfort of their sometimes-home on the International Space Station and into the menacing emptiness of space. For about six and a half hours, Expedition 45 commander (and Year in Space guinea pig) Scott Kelly and flight engineer Kjell Lindgren will be doing routine maintenance and upgrades on the station—the very first spacewalk for both astronauts. You can watch the sometimes-flickery stream live as they work to get everything done. Hopefully they'll have a chance to relax for a second and take in the view:
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