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Nadir crater: The asteroid that killed the dinosaurs was not alone

www.bbc.com Nadir crater: The asteroid that killed the dinosaurs was not alone

A second asteroid hit Earth around the same time causing a "catastrophic" event.

Nadir crater: The asteroid that killed the dinosaurs was not alone

The huge asteroid that hit Earth and wiped out the dinosaurs 66 million years ago was not alone, scientists have confirmed.

A second, smaller space rock smashed into the sea off the coast of West Africa creating a large crater during the same era.

It would have been a “catastrophic event”, the scientists say, causing a tsunami at least 800m high to tear across the Atlantic ocean.

Dr Uisdean Nicholson from Heriot-Watt University first found the Nadir crater in 2022, but a cloud of uncertainty hung over how it was really formed.

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