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New Map Shows Valleys Hidden Under Greenland Ice

Scientists have created a highly detailed map of the rock under the Greenland Ice Sheet. They used a newly developed method to build this map. This method uses satellite data of small bumps and dips on the ice surface. It helps scientists figure out the shape of the ground below. Researchers manually mapped 1,943 valleys under the ice. About a…

Rewritten with AI from facts reported by NASA Earth Observatory. Read the original for the full report.