OvidPerl OP t1_jdlqfj1 wrote on March 25, 2023 at 9:41 AM

Reply to comment by [deleted] in TIL: Thanks to poor internal communication at NASA, information about a spacesuit water leak wasn't properly communicated. Later, Astronaut Luca Parmitano almost drowned on a July, 2013 ISS space walk, his helmet filling with several liters of water before they could get him back inside. by OvidPerl

It's not the water from space. Space suits are enormously complicated. They're basically human-shaped space ships.

Have you ever noticed that they're always white? This is to reflect the heat. However, they can't reflect all of the heat, so they have cooling systems using water to flow constantly through the suit, keeping the astronaut alive. It was a leak in this system that flooded the helmet.