Astronaut sends videos showing how to do stuff in space
8 March 2013 Last updated at 17:24 GMT
Ever wondered how to make a sandwich in space? Wash your hands or even rock out with a guitar 250 miles from Earth?
Well now you can learn more about what life is like orbiting the earth thanks to Canadian astronaut Chris Hadfield.
He's been sending out handy how-to videos from the International Space Station.
Here his guide to making a sandwich in zero gravity.