In the endless expanse of space, the thought of being "lost" is truly terrifying. While there have been harrowing instances of astronauts who faced unexpectedly long stays far from Earth, there haven't been any reports of astronauts being permanently stranded or disappearing.
Imagine the nightmare scenario of an astronaut left untethered, drifting through the vast emptiness of space. Death is an unfortunate certainty, but how long would it take and what would happen to the body, before, during, and after the event? This gallery has the answers. Click on for more.