#OTD in 1965, cosmonaut Alexei Leonov conducted the first spacewalk. The Soviets kept Leonov's plans so secret that Leonov's father, watching him exit the craft on TV, thought his son was disobeying orders and shouted, “Why is he acting like a juvenile delinquent?” To learn more about spacewalking, check out our infographic through our #linkinbio. . . . . . . . . #spacewalk #space #nasa #onthisday #science #physics #spaceexploration #scienceiscool #orbit #earth #motivationmonday #firsts #spacewalking #history #sciencehistory