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Arizona’s Meteor Crater still yields new clues about its impact
A peer-reviewed study published in the journal Geology proposes that the same asteroid strike that carved Arizona’s Meteor ...
A vast impact crater near the moon’s south pole was formed by an asteroid moving at more than a kilometre a second, releasing energy when it struck equivalent to 130 times that of all the nuclear ...
This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...
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