Buried beneath a mile of ice in NW Greenland, a @NASA_ICE glaciologist has discovered a possible 2nd crater resulting from a meteorite impact. This follows the finding of a 19-mile-wide crater beneath the ice in Nov. 2018. Take a look under a mile of ice: https://www.nasa.gov/feature/goddard/2019/nasa-finds-possible-second-impact-crater-under-greenland-ice?utm_source=TWITTER&utm_medium=NASA&utm_campaign=NASASocial&linkId=63479131