World Cup fever apparently isn't limited to just one world, at least judging by these NASA astronauts in orbit on the International Space Station.

It's important to get lots of exercise when you're in space -- if you don't, your muscles will atrophy and you'll have a bad time once you get back to Earth. Soccer seems like a sport that would lend itself relatively well to being played in zero gravity, so long as you had some kind of jetpack maneuvering device or magnetized boots, or BOTH (get on it, NASA).

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