NASA is gearing up for the first crewed journey to the Moon in over half a century, a mission that could launch as soon as two weeks from now. And next year, the agency will finally attempt to return astronauts to the lunar surface itself as part of its Artemis 3 mission, which will dramatically increase the already considerable stakes. Particularly when it comes to stepping out of the spacecraft — the agency has yet to pick between Blue Origin and SpaceX’s offerings in that regard — staying protected from the extreme temperature swings, space radiation, and lack of atmosphere is extremely challenging. That’s not to mention the physical limitations of an extremely bulky spacesuit, which could physically tax astronauts even more than stepping outside of the International Space Station during a spacewalk. As Ars Technica reports, former NASA astronaut and microbiologist Kate Rubins, who retired last year and has logged 300 days in space, recently voiced her concerns over the Moon suit that private space company Axiom Space has been developing for NASA as …