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 Mars One Was a Scam a Finalist Announced Did the Moon Create Life on Earth? What Is This Structure on Phobos Moon ? NASA Discovers The Most Earth-like Planet Yet Space Fence – Tracking Space Debris Live NASA’s Crazy Plan to Send a Space Submarine to Titan