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 Why You Would Want to Go on a One-Way Trip to Mars 10 Mind Bending Theories About Time Travel NASA Discovered a Pulsar or a Spaceship? Plunging To Earth: Space Station Refuelling Craft Is Out Of Control Gorgeous New Milky Way Image Maps Our Galaxy’s Dust Does Earth Have A Second Moon?