Did you know astronauts grow up to two inches in space? Or that they're tethered when they sleep so they don't float away? And that's just the beginning! Being in outer space isn't just cool, it's also super weird! To understand what it's like to live above the Earth, Charlie and Kirby are off to NASA's Johnson Space Center in Houston.

Originally released by National Geographic, 2017. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.