How did space exploration contribute to space suits?

in space. Nevermind, the astronauts wear space suits because otherwise they would die due to the Sun's radiation and the extremely low temperatures in space. And because there isn't air in space.

From trader space, and trader food. I mean, space.

During the Apollo EVAs, normal suit operating pressure was about 3.8 psi The Space Shuttle/ISS Extravehicular Mobility Unit (EMU) operates at approximately 4.3 psi.

No, not while outside the space craft. The vaccum outside would cause all the gasses in your body to boil, the extreme cold would freeze dry you, and not to mention the tiny particles of space junk...

Because space is a vacuum, there is no matter in it- no air, no oxygen, no water, etc. Therefore, the sun's temperature effects are very great upon the human body. A space suit provides oxygen for...