Astronaut Scott Kelly is halfway to making history.
Along with Russian cosmonaut Mikhail Kornienko, Kelly is about six months into a year-long mission on board the International Space Station (ISS). If the men succeed, they'll be the first humans to ever spend a full year in zero gravity.
As a visual diary of his year in space, Kelly has posted a photo almost every day since arriving at the ISS in March 2015 — and the images have been incredible.
Scroll down to see some of his best work.
Every morning, astronaut Scott Kelly wakes up to a view that few people get to see.
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He'll enjoy it for awhile. Kelly (right) and Russian cosmonaut Mikhail Kornienko (left) are about six months into a year-long mission aboard the space station.
Kelly posts a photo almost every day to document the journey, part of an online visual diary he calls #YearInSpace.
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