Dinosaur-Killing Asteroid Triggered Lethal Acid Rain, New Study Suggests

By Macrina Cooper-White

The oceans soured into a deadly sulfuric-acid stew after the huge asteroid impact that wiped out the dinosaurs, a new study suggests.

Eighty percent of the planet’s species died off at the end of the Cretaceous Period 65.5 million years ago, including most marine life in the upper ocean, as well as swimmers and drifters in lakes and rivers. Scientists blame this mass extinction on the asteroid or comet impact that created the Chicxulub crater in the Gulf of Mexico.

A new model of the disaster finds that the impact would have inundated Earth’s atmosphere with …read more

Source: Huffington Post Green

    

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