Earth's atmosphere is 20 percent oxygen and 80 percent nitrogen from sea level to about 75 miles up ... of space. Without the Earth's atmosphere to filter the sunlight, the side of the suit ...
This story appears in the July 2019 issue of National Geographic magazine. Space suits—designed to provide oxygen and consistent atmospheric pressure—have evolved from pressure suits for ...
The suits had been in space before — but not on people Behnken ... and don the uniform themselves — to "get them fired up," he said. "Everyone should be excited that this is a thing made ...