Picture of the day for August 20, 2017

Wikipedia picture of the day on August 20, 2017: NASA astronaut Nicholas Patrick, STS-130 mission specialist, participates in the mission’s third and final session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 48-minute spacewalk, Patrick and astronaut Robert Behnken (out of frame), mission specialist, completed all