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 Astronomers Had Never Witnessed A Planet’s Birth … Until Now Top 10 Weirdest Things Out in Space Super-Earths: New Planets Found! Hang Gliders Could Be Heading To Mars A Giant Underground Lake on Mars! | This Asteroid Could’ve Caused an Apocalypse—Now It’s Barely Missing Earth