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An animation showing the Chicxulub impact and subsequent crater formation. The impactor's velocity was estimated at 20 kilometers per second (12 mi/s). [30] The kinetic energy of the impact was estimated at 72 teratonnes of TNT (300 ZJ). [31]
The asteroid that killed most dinosaurs 66 million years ago left behind traces of its own origin.. Researchers think they know where the Chicxulub impactor came from based on levels of ruthenium ...
The Chicxulub crater is an impact crater buried underneath the Mexican Yucatán Peninsula, with its center located offshore, near the town of Chicxulub.The crater is about 180 kilometers (110 mi) in diameter, making it one of the largest confirmed impact structures in the world; the asteroid whose impact (animation shown) formed the crater was at least 10 km (6 mi) in diameter.
“We found that the impact of an asteroid like the one at Chicxulub is a very rare and unique event in geological time," said researcher Carsten Münker in a statement. "The fate of the dinosaurs ...
An animation modelling the impact, and subsequent crater formation of the Chicxulub impact (University of Arizona, Space Imagery Center) The prehistoric Chicxulub impact, 66 million years ago, believed to be the cause of the Cretaceous–Paleogene extinction event, was caused by an asteroid estimated to be about 10 kilometres (6.2 mi) wide. [3]
A study reveals the chemical makeup of the Chicxulub asteroid that collided with Earth and resulted in the extinction of nearly all dinosaurs 66 million years ago.
Artist's rendering of the Chicxulub asteroid entering Earth's atmosphere 66 million years ago, triggering events that caused a mass extermination. Roger Harris/Science Photo library via Getty ...
The age of the Chicxulub asteroid impact and the Cretaceous–Paleogene boundary (K–Pg boundary) coincide precisely. The crater is more than 180 kilometres (110 mi) in diameter and 20 km (12 mi) in depth, making the feature one of the largest confirmed impact structures on Earth ; the impacting bolide that formed the crater was at least 10 km ...