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NASA has detected a massive, ancient crater buried under two kilometers of ice in northwest Greenland - it’s the second crater discovered under the region’s thick ice in recent months.

NASA has detected a massive, ancient crater buried under two kilometers of ice in northwest Greenland - it’s the second crater discovered under the region’s thick ice in recent months.
    submitted by /u/maxwellhill
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    from World News http://bit.ly/2WPIXmS