Video: No protection, how long can people live in the universe?

Without a protective astronaut outfit, humans would quickly lose consciousness, be frozen or dry, drifting millions of years in the universe.

Whatever you do, don't try to hold your breath. The vacuum in the universe will draw air from your body. If there is no air in the lungs, the lungs will burst. The oxygen in other parts will also expand, you will swell twice as normal. But you won't explode because your skin is flexible enough to hold your whole body.

If there is no air in the lungs, the lungs will burst.