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Snowshoe hare in Greenland
Wallpaper Description:
In Pituffik, Greenland, a snowshoe hare stands near Thule Air Base on March 25, 2017. NASA's Operation IceBridge was flying research missions out of Thule Air Base and other Arctic locations during their annual Arctic spring campaign. Thule Air Base is the U.S. military's northernmost base, located some 750 miles above the Arctic Circle. NASA's Operation IceBridge has been studying how polar ice has evolved over the past nine years and flew a set of eight-hour research flights over ice sheets and the Arctic Ocean to monitor Arctic ice loss aboard a retrofitted 1966 Lockheed P-3 aircraft.Mario Tama / Getty