Does the lower pressure of a pure oxygen spaceship/spacesuit have a noticeable difference than normal air pressure?
I know that (especially in early space flight) astronauts would be in a pure oxygen environment with reduced pressure to avoid oxygen toxicity (being at around 20% level of normal air pressure, i belive). But that got me thinking, wouldn't that result in a noticeable lack of pressure on the body? Like does it feel weird/different than regular 1atm or even cause health risks? #science