Five Milestones In Spacewalk History As Polaris Dawn Completes World's First Private Spacewalk | GFX

Two astronauts from a SpaceX capsule in Earth's orbit conducted the world's first private spacewalk on Thursday

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As Polaris Dawn astronauts complete the first-ever private spacewalk, here is a look at five milestones in the history of spacewalks. (Illustration: News18)

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Soviet cosmonaut Alexei Leonov became the first person in history to perform a spacewalk in 1965. (Illustration: News18)

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NASA conducted untethered spacewalks during three shuttle missions in 1984 but discontinued the practice two years later. (Illustration: News18)

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On July 25, 1984, Salyut 7 cosmonaut Svetlana Savitskaya became the first woman to perform a spacewalk. (Illustration: News18)

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Russian cosmonaut Anatoly Solovyev exited his spacecraft sixteen times while in orbit, spending a total of more than three full days in open space. (Illustration: News18)

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American entrepreneur and billionaire Jared Isaacman, 41, and his fellow crew members completed the first privately funded spacewalk. (Illustration: News18)