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Asteroid that killed the dinosaurs was as strong as 10 billion atomic bombs, study says

September 12th, 2019 at 10:36 PM
dinosaur asteroid power

When a colossal space rock came crashing down 66 million years ago onto what is now the Yucatan Penninsula in Mexico, it triggered widespread changes on Earth and abruptly ended the reign of the dinosaurs. Now, researchers are focusing on learning the extent of the asteroid’s destructive might and the immediate aftermath at ground zero, a location now known as the Chicxulub crater.

A new study led by the University of Texas at Austin went straight to the source, scouring the site of the impact and the massive amount of debris that filled the crater immediately after the rock came crashing down.

Close examination of the rock layers stretching down hundreds of feet revealed that the crater was already packed with debris within the first 24 hours, with an estimated 425 feet of material filling the gaping hole within that first day. The layers of material act like a timeline, offering clues about the intensity of the impact and the sheer power that the space rock was packing.

“It’s an expanded record of events that we were able to recover from within ground zero,” Sean Gulick, lead author of the study, said in a statement. “It tells us about impact processes from an eyewitness location.”

Estimating the power released by the impact is difficult simply because it is unmatched in human history, and comparisons warp any sense of scale. However, in an attempt to put it into some kind of perspective, the researchers estimate that the power was equivalent to 10 billion World War II-era atomic bombs simultaneously detonating.

Anything even remotely close to the impact site would have been completely destroyed, and that includes wildlife, but the real killing blow came later, as dust and debris from the impact shrouded the planet in darkness and killed off plant life on a massive scale, toppling the food chain and causing mass extinctions the world over.

Mike Wehner has reported on technology and video games for the past decade, covering breaking news and trends in VR, wearables, smartphones, and future tech.

Most recently, Mike served as Tech Editor at The Daily Dot, and has been featured in USA Today, Time.com, and countless other web and print outlets. His love of reporting is second only to his gaming addiction.




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