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 How the Space Station avoids junk in space Enormous Ocean Discovered On Jupiter’s Moon A Giant Underground Lake on Mars! | Meet Curiosity Rover’s Brother, “Scarecrow” Is there a center of the universe? Challenges of Getting to Mars