Over the past few months I've been posting videos of Commander Chris Hadfield aboard the International Space Station educating the public about various things that happen in space (like how astronauts sleep, what happens to tears when you cry, what happens to a washcloth when you wring it out, and what rocket launches look like).
Hadfield, a Canadian, is leaving the ISS and coming back to Earth tonight. For his farewell, he recorded a revised version of David Bowie's "Space Oddity", the first music video made in space. I think you'll agree Hadfield is the coolest guy to ever orbit the Earth.
Watch, AFTER THE JUMP...
Hadfield transferred command of the ISS to Russian cosmonaut Pavel Vinogradov at 3:40 pm ET today. He'll be headed home soon.
And his reflections on his mission: