NASA Finds Possible Second Impact Crater Under Greenland Ice
Written By Maria-Jos Vias NASA's Earth Science News Team Washington, D.C. -- This follows the finding, announced in November 2018, of a 19-mile-wide crater beneath Hiawatha Glacier…
Written By Maria-Jos Vias NASA's Earth Science News Team Washington, D.C. -- This follows the finding, announced in November 2018, of a 19-mile-wide crater beneath Hiawatha Glacier…