Dust From 2.5-Million-Year-Old Meteorite May Be Oldest Evidence Of An Asteroid Airburst
vestige of rubble corpuscle in Antarctic shabu are 2.3 - 2.7 million age old , analysis suggest . This would make them the oldest bequest of an airburst : an asteroid that exploded in the standard atmosphere , rather than hitting the ground while large enough to bequeath a stigma . The breakthrough could be the first step on a path that enable us to assess the danger of these events in future ....