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 10 Weird Space Experiments Mysterious ‘X-Files’ Sounds Heard 36km Above Earth’s Surface Electromagnetism: The Glue of the Universe This Reaction Could Let Us Live on Mars Here’s A Spectacular Photo Of A ‘Light Echo’ Courtesy Of NASA Major Discovery – Big Bang Gravitational Waves