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 What is this Mysterious Object on the Moon? Why every picture of a black hole is an illustration Heavy Metal Cataclysm 24 Fascinating Thoughts About the Universe NASA Scientist Debunks Mayan Doomsday Prophecies How Many Arms Does Our Galaxy Have?