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Are We Reaching the End of Spacewalks?

Are We Reaching the End of Spacewalks? It’s June 3, 1965 and astronaut Ed White, in orbit over Hawaii, emerges from a space capsule to become the first American to conduct a extravehicular activity, or EVA. Connected with a single tether providing power and communication lines, he maneuvers using an oxygen gun for propulsion, takes in the view, and poses for pictures. “I feel like a million dollars,” White says. These days EVAs are not done for the photos, they are part of the maintenance and operation of the International Space Station. They are planned to the minute, and astronauts seldom have time for a selfie (or joyriding with jet-guns).   More

(Source: Popular Mechanics - May 22)

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