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 Glimpsing the Solar System’s Birth 5 Space Mysteries We May Solve in Our Lifetime Space Solar Power Systems (SSPS) 1,000km Cable to the Stars – The Skyhook Plasma Engine Prototype That Could Take Humans to Mars on a Single Tank 10 Mind Bending Theories About Time Travel