Man in a gorilla suit on the International Space Station
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How a 'gorilla' got on the International Space Station

24 February 2016 Last updated at 07:31 GMT

We're used to seeing videos of weird and wonderful things on the International Space Station but this might be the strangest yet.

So what was a gorilla doing all the way up in space?

Well, it turns out US astronaut Scott Kelly was just having a bit of birthday fun.

Pictures courtesy of Nasa.