Two astronauts have carried out the first-ever commercial spacewalk, using new less-bulky spacesuits designed by SpaceX. Tech billionaire Jared Isaacman (who also funded the mission) and SpaceX engineer Sarah Gillis together spent almost half an hour outside their spacecraft at an altitude of some 700 km, further from Earth than any human since the Apollo Moon landings. The brief jaunt into the void is a significant milestone for commercial spaceflight, with the spacecraft, suits and the overall mission all being SpaceX productions. What’s so interesting about the mission? The Polaris Dawn mission stands out for several reasons. In terms of…
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