An ancient ring-shaped structure in southern Alberta, Canada, likely formed when a meteorite smashed into Earth producing a 5-mile-wide crater. The explosive impact would've killed everything for quite a distance.
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Killer Ancient Meteor Strike Carved Out Giant Crater, Evidence Suggests
An ancient ring-shaped structure in southern Alberta, Canada, likely formed when a meteorite smashed into Earth producing a 5-mile-wide crater. The explosive impact would've killed everything for quite a distance.
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