A Canadian astronaut named Chris Hadfield has been commander of the International Space Station for the past five months. In January, he showed us how to wash your hands in space, and just last month he explained the physics of tears in space. But he's also a musician.

You might remember him from earlier this year, when he recorded a duet with Ed Robertson of the Barenaked Ladies. And back in December, he released the first original song recorded in space.

Well, today he's finally heading back to Earth. But first he made one more video, and it might be his best. It's a cover of David Bowie's "Space Oddity" with some of the lyrics changed, so it's not all about being stranded in space. And he posted a cool music video for it that he shot entirely on the Space Station.

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