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Congratulations are in order. NASA astronaut Jeff Williams just broke the U.S. record for cumulative spaceflight hours, previously set by Scott Kelly.

https://twitter.com/NASA/status/768537234781986817/

Five hundred and twenty days is a lot of time to spend away from home, and especially when that time is spent weightless in a tiny metal capsule, orbiting miles above earth in the endless vacuum of space.

Luckily for Williams, he’s returning on September 5. Then, he’ll have logged 534 cumulative days in space.

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