A diagram of the shower aboard Skylab during the Saturn Workshop mission in the 1970s. | NASA // Public Domain To make the astronauts feel more at home in orbit, Skylab—the first U.S. space ...

To make the astronauts feel more at home in orbit, Skylab—the first U.S. space station—came equipped with a contraption more closely resembling a shower [PDF]. A floor-to-ceiling, cylinder ...