Earth
A second asteroid may have struck Earth when the dinosaurs died out
A possible impact crater under the sea off West Africa might have been made by a smaller piece that broke off the asteroid that wiped out most dinosaurs
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A possible impact crater under the sea off West Africa might have been made by a smaller piece that broke off the asteroid that wiped out most dinosaurs
Whether we are in a new geological epoch is still up for debate, but geologists have almost decided where on Earth should be the official birthplace of the Anthropocene