Geologists discovered a 5,000-square-kilometer meteor impact field under the sands of the Sahara desert; the field comprises about 100 craters, which appear to have been created simultaneously about 50 million years ago.
Geologists discovered a 5,000-square-kilometer meteor impact field under the sands of the Sahara desert; the field comprises about 100 craters, which appear to have been created simultaneously about 50 million years ago.