Astronauts conducting extended spacewalks frequently experience a horrific medical phenomenon where their fingernails turn black and completely fall off their hands entirely due…

Astronauts conducting extended spacewalks frequently experience a horrific medical phenomenon where their fingernails turn black and completely fall off their hands entirely due to the bulky design of their pressurized extravehicular space suits; because the thick, rubberized gloves must be heavily inflated to simulate Earth's atmospheric pressure in the vacuum of space, simply bending a finger requires immense physical exertion and constantly crushes the delicate capillaries in the fingertips, prompting some veterans to proactively have their fingernails surgically removed before launching rather than dealing with the excruciating pain of localized frostbite and dead tissue while trying to repair a billion-dollar satellite, proving that truly nothing captures the majestic, awe-inspiring glamour of space exploration quite like proactively ripping your own fingernails out!