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The coolest astronaut

Canadian astronaut Chris Hadfield may be close to the coolest person ever to go into space.

Hadfield, who is the next commander on the International Space Station, posts streams of pictures on his Facebook and Twitter page (ignoring requests for shots of Minnesota, but we're letting that slide for now), conducted a live chat with Captain Kirk this week, and now has joined the group Barenaked Ladies.

"Chris and I were able to write a song together while he was training in Russia for the mission that he's currently on and then we were able to record the song with him in space. It's really incredible when you think about it," Barenaked Ladies Ed Robertson told CBC News.