During Fincke’s first spacewalk, he breathed pure oxygen at a high rate for 30 minutes, closed his valve and went outside. But the valve didn’t actually close, causing him to rapidly lose oxygen and the spacewalk was cut short.
“Had I been listening or had I understood my suit more, I could have actually heard the oxygen flow in at a slightly higher rate,” Fincke said. “Sometimes it’s those little things that you hear that can make make a difference.”
They figured out a solution and completed the…
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