How Do Spacesuits Work? A spacesuit is designed to keep astronauts safe in the vacuum of space, and its main secret is low pressure. Facebook Prev Article Next Article Space Checkout these cool gadgets... Related Posts Scientists figured out how to hide from aliens NASA Scientist Debunks Mayan Doomsday Prophecies Mysterious Activity On Saturn’s Moon Titan Alien Ship on Live ISS Cam – NASA Cuts Feed! How to Put On a Space Suit Huge Cloaked Alien Ship Near Mercury – Or Is It Something Else ?