The Asteroid That Killed the Dinosaurs Caused Catastrophic Climate Change https://www.seeker.com/earth/climate/... “Scientists now believe that the asteroid that slammed into Mexico’s Yucatan Peninsula 66 million years ago was 6 miles wide — almost big enough to cover San Francisco — and caused cataclysmic destruction on a scale comparable to global thermonuclear war. In the aftermath, about three-quarters of all species on Earth died out.”
Dino-killing asteroid could have thrust Earth into 2 years of darkness https://www.eurekalert.org/pub_releas... “Tremendous amounts of soot, lofted into the air from global wildfires following a massive asteroid strike 66 million years ago, would have plunged Earth into darkness for nearly two years, new research finds. This would have shut down photosynthesis, drastically cooled the planet, and contributed to the mass extinction that marked the end of the age of dinosaurs.”
Massive Volcanic Eruptions Triggered the Dinosaur Age https://www.seeker.com/earth/animals/... “Intense volcanic eruptions, along with a devastating meteor strike, likely contributed to the extinction of non-avian dinosaurs around 66.5 million years ago. Now new research shows that volcanic eruptions at the end of the Triassic period (252–201 million years ago) triggered the Dinosaur Age, meaning these animals were bookended by some of Earth’s most extreme and fiery conditions.” ____________________
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