SpaceX Polaris Dawn historic private spacewalk mission features non-professional astronauts testing next-gen suits in space, marki...
After trekking deeper into space than any humans in the last half-century, a pioneering private crew is set to make history Thursday with the first-ever spacewalk by non-professional astronauts.
Now, with their Dragon spaceship's elliptical orbit reduced to a low point of roughly 120 miles and high of 430 miles, the crew of four is gearing up for the mission's centerpiece: an audacious extravehicular activity scheduled for 0958 GMT on Thursday, with a backup window on Friday. "It'll look like we're doing a little bit of a dance," Isaacman quipped during a recent press conference.
Since the Crew Dragon capsule lacks an airlock, the entire crew will be exposed to the vacuum of space for the duration of the spacewalk, around two hours. After the hatch is closed, the cabin will be repressurized, and oxygen and nitrogen levels will return to normal. "This is another watershed event in the march toward commercialization of space for transportation," he added, comparing the crewmates to early aviators who paved the way for modern air travel.All four underwent more than two years of training in preparation for the landmark mission, logging hundreds of hours on simulators as well as skydiving, centrifuge training, scuba diving and summiting an Ecuadoran volcano.
Polaris Dawn Mission Spacex Dragon Capsule Private Space Exploration Extravehicular Activity (EVA) Jared Isaacman Spacex
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