How the Chicxulub impact made acid rain

By Ashley Yeager, 19:39 PM March 9, 2014

Acid rain from the Chicxulub asteroid impact, which happened roughly 65 million years ago and is linked to the death of the dinosaurs, could have created a mass extinction in the oceans, new experiments show.

Using lasers to accelerate materials to asteroid-like impact velocities, scientists found that the sulfur in rock from Mexico’s Yucat√°n Peninsula near the Chicxulub site could have vaporized into sulfur trioxide. The compound would have reacted quickly with atmospheric water vapor, creat...

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