From the 1965 photo of America's first spacewalker to the 1984 snapshot of an astronaut frighteningly far from the relative safety of his spacecraft (above) to a topsy-turvy Chris Hadfield, some of the most iconic images from space are the ones that show astronauts floating outside the safety of a spacecraft.
Spacewalks -- extravehicular activity (EVA) to the folks at NASA -- are typically conducted for rather pedestrian reasons, such as testing or repairing equipment. But the eye-popping photos that show the action high above Earth are anything but pedestrian.
Want to see our 25 faves from NASA's vast collection? Click through the slideshow below and tell us what you think of them: