UPI Pictures of the Year 2018 -- NEWS & FEATURES
On January 23, 2018, Mark Vande Hei snapped his portrait, better known as a "space-selfie," during the first spacewalk of the year. NASA astronauts Vande Hei and crewmate Scott Tingle ventured outside the International Space Station to perform maintenance on the station's Canadarm2 robotic arm during a seven-hour and 24-minute spacewalk. NASA/UPI
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