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Atlantic Ocean

Summer temperatures melt snow and ice on much of Iceland's surface, as shown on this satellite image. The lack of uniform snow cover allows permanent (though shrinking) icefields to show through (particularly Vatnajokull in the southeast), and highlights the island's rugged coastline. Scores of fjords edge the island, resembling feathers waving out into the waters of the northern Atlantic Ocean (bottom) and Greenland Sea (upper left). Photo courtesy of NASA.