by Julie Rossman and Lauren Biron
March 18 marks 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.
http://www.worldsciencefestival.com/2014/03/spacewalking_made_simple_infographic/
