VIDEO: Here's what happens when you cry in space
Gazing down on our blue planet hundreds of kilometres below may be enough to make an astronaut teary-eyed. But what happens when you cry in space?
Canadian astronaut Chris Hadfield, commander of the International Space Station (ISS), set out to answer that question in a recent video published on the Canadian Space Agency's YouTube channel.
There were no real tears this time; instead, the video shows Hadfield squeezing water into his eye. But instead of rolling down his cheek, the water forms a jiggling ball.
"Your eyes will definitely cry in space," Hadfield says in the video. "But the big difference is tears don't fall."
Hadfield has become a space social media superstar since he arrived at the ISS in December. He's captured headlines with his duet with Barenaked Ladies singer Ed Robertson and tweets of stunning photos from space.
View Canadian Geographic's interview with Hadfield, read about making music in space or check out more of Hadfield's informative videos about life in space. Follow Hadfield on Twitter: @Cmdr_Hadfield.