Sidetrack Adventures on MSN
The 50,000-year-old explosion that created Arizona’s giant crater
Roughly 50,000 years ago, a massive iron meteorite slammed into what is now northern Arizona, creating one of the most ...
13hon MSN
Scientists Discovered Glass Orbs from an Ancient Asteroid Impact. The Crater Is Nowhere to Be Found.
The discovery of a new tektite-strewn field in northeastern Brazil points to a large meteorite impact—but geologists have yet to find the crater.
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