humanoidhistory: Fifty years ago today, cosmonaut Alexei Leonov became the first person to walk in space, March 18, 1965. In 1972, the Soviet Union issued this stamp, using Leonov’s painting to illustrate the experience. (Wikimedia Commons)

humanoidhistory: Fifty years ago today, cosmonaut Alexei Leonov became the first person to walk in space, March 18, 1965. In 1972, the Soviet Union issued this stamp, using Leonov’s painting to illustrate the experience. (Wikimedia Commons)

tags: 100% DudeBro Content, history,science,space,exploration,soviet union,

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