Did a second killer asteroid finish the dinosaurs off? Crater in West Africa hints yes.

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A 66 million-year-old impact crater has been discovered off the coast of West Africa, raising questions about just how many deadly space rocks the dinosaurs had to deal with.

Did a second killer asteroid finish the dinosaurs off? Crater in West Africa hints yes. : Read more

 

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There is one crater at Chicxulub. It is quite possible that a family or pair or trio of asteroid pieces hit Earth "together" so producing more than one or two craters.

From the above:

The new crater was formed very close in time to the Chicxulub impact, raising the possibility that the two may be related.

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

www.newscientist.com

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