Massive 19-mile-wide crater in Greenland actually much older than we thought, study says - REPORT DOOR - Report Door

The massive 19-mile-wide Hiawatha crater underneath the northwestern ice sheet in Greenland is millions of years older than previously thought, according

The massive 19-mile-wide Hiawatha crater underneath the northwestern ice sheet in Greenland is millions of years older than previously thought, according to new research published Wednesday in the pe… [+2477 chars]

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