photograph
Soviet cosmonaut Alexey Leonov was the first human to walk in space
Outer Space
March 18th, 1965
photograph
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Alexey Leonov
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Aleksei Leonov
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spacewalk
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eva
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space race
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Voskhod 2
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CCCP
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two sides of the moon
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cosmonaut
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artist
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astronautics
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Russia
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science
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history
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on this day
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astronomy
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scientific revolution
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wonders of science
