The area of the crater is estimated to be 11 times the size of the Meteor Crater National Landmark in Arizona.
“This is an old blast in the past,” she said.
“One to several football fields would be the size of the meteorite that would have hit,” Steenberg said. “We noticed the grains of sands had a very particular look, like they were shocked or fractured, and some of the data showed the rocks were actually inverted,” Steenberg said.
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