Dino-Killing Asteroid Impact Triggered Lethal Algal Bloom
When you purchase through link on our site , we may take in an affiliate military commission . Here ’s how it works . The asteroid that killed the nonavian dinosaurs may have also killed countless nautical beast after it triggered a worldwide algal bloom , a young discipline finds . The infamous 6 - Swedish mile - prospicient ( 10 kilometers ) asteroid attain Earth about 66 million years ago , creatingthe Chicxulub crater , an expanse spanning 110 stat mi ( 180 km ) across and 12 miles ( 20 kilometer ) deep , grant to a web log station by the American Geophysical Union(AGU ) ....