cosmonaut Alexei Leonov Peter Gorin ... of the first man-made satellite orbiting above the Earth. Astronaut Frank Borman recalled, "I was teaching at West Point when Sputnik was announced.
Leonov’s walk on … On 18 March 1965 Soviet cosmonaut Alexei Leonov became the first person to leave a space capsule and, tethered to it, float freely in orbit – to space-walk.
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