The crater dates back to 58 million years ago, instead of the previously proposed 13,000 years ago. Greenland shelters beneath its ice sheet the massive Hiawatha crater, also known as the Hiawatha impact crater or Hiawatha meteorite impact crater-which is 31 kilometers (19 miles) wide.
A massive asteroid with a size comparable with the Empire State Building is set to fly by Earth. A massive asteroid is heading towards Earth but is projected to safely fly by later this week.