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Glacier in the Antarctic iceberg: four times the size of Manhattan could accelerate the loss of ice.A piece of ice four and a half times the size of Manhattan fell from an Antarctic glacier. This marks the second time in two years that a huge iceberg has given birth to the area. The break could accelerate the loss of more ice, ending a barrier that prevents land ice from flowing into the sea.Pine Island Glacier is located in West Antarctica and has been one of the largest contributors to sea level rise on the continent as it has been losing ice at an accelerated rate over the past 40 years. In 2015, a 224-square-mile iceberg born of the glacier. The last division, which was photographed by satellites over the weekend, has resulted in an iceberg about 103 square miles in area. It was the fifth major birth event since 2000, Stef Lhermitte, a specialist in satellite observation at the Delft University of Technology in the Netherlands. These pieces of ice are breaking a floating part of the glacier, so they do not raise sea levels by themselves. #ymasciencia