How do spacesuits work? | James May Q&A | Head Squeeze

You’ve seen the videos of those astronauts on the International Space Station getting suited and booted in a spacesuit before a spacewalk, but how exactly does the space suit work? A spacesuit has to protect you from the glaring radiation from the sun as well as keeping you warm from the extreme cold of outer space. As well as that is has to make sure you have enough oxygen and enough movement so you can actually do your job. It also has to be pressurised to about . Otherwise the empty vacuum of out