Everything you've ever wanted to know about spacewalking -- in one out-of-this-world chart

Science Saturdays

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March 18 marked the 49th anniversary of the first extravehicular activity (EVA), or spacewalk. When Russian cosmonaut Alexei Leonov left his capsule during 1965’s Voskhod 2 mission, he became the first of 205 people who have donned a spacesuit and ventured outside the hatch. Here’s everything you need to know.

(Click and zoom to enlarge)

More from World Science Festival...

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• Where are they now: checking in on Earth’s 25 active missions [infographic]
• The future of spacesuits

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