World Massive 19-mile-wide crater in Greenland actually much older than we thought, study says March 11, 2022March 11, 2022Maria Jimenez Moya, USA TODAYComments Off on Massive 19-mile-wide crater in Greenland actually much older than we thought, study says The crater, big enough to swallow Washington, D.C., was discovered in 2015 and thought to have formed 13,000 years ago. But it's actually much older.
