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 Does Space Go on Forever? Colonizing Venus with Giant Balloons Gorgeous New Milky Way Image Maps Our Galaxy’s Dust Life on Venus? Dark patches could be signs of microbial life Weird object spotted beyond Neptune How Often Do Asteroids Almost Hit Earth?