Astronaut Alex Gerst was a delight to have on the International Space Station, teaming up with NASA's Reid Wiseman to bring us snippets of life in orbit from the mundane to silly to the awe-inspiring. ESA has collected 12,500 of his snapshots into an epic timelapse video to celebrate the holiday season.

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Top image: Alex Gerst poking over part of the station during the first spacewalk of Expedition 41, posted by Gerst to his Twitter feed the next day. Credit: NASA