NASA finds possible second impact crater under Greenland ice –

February 11, 2019 by Maria-José Viñas, NASA’s Goddard Space Flight Center Via A NASA glaciologist has discovered a possible second impact crater buried under more than a mile of ice in northwest Greenland. This follows the finding, announced in November 2018, of a 19-mile-wide crater beneath Hiawatha Glacier—the first meteorite impact crater ever discovered under Earth’s ice sheets. Though […]

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