2016年8月25日 星期四

Space Station View of Grand Canyon National Park


To celebrate the centennial of the U.S National Park Service, Expedition 48 Commander Jeff Williams of NASA has taken hundreds of images of national parks from his vantage point in low Earth orbit, aboard the International Space Station. Here, a series of Williams' photographs are assembled into this composite image of the Grand Canyon. via NASA http://ift.tt/2bA2l1U

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