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Artist's impression of the asteroid slamming into tropical, shallow seas of the sulfur-rich Yucatán Peninsula in what is today Southeast Mexico. [13] The aftermath of the asteroid collision, which occurred approximately 66 million years ago, is believed to have caused the mass extinction of non-avian dinosaurs and many other species on Earth. [13]
The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the Cretaceous–Tertiary (K–T) extinction, [b] was the mass extinction of three-quarters of the plant and animal species on Earth [2][3] approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.
The Alvarez hypothesis posits that the mass extinction of the non-avian dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth. Prior to 2013, it was commonly cited as having happened about 65 million years ago, but Renne and colleagues (2013) gave an ...
August 16, 2024 at 11:24 AM. German scientists think they've cracked the case on the origins of the giant asteroid that all but wiped out the dinosaurs 66 million years ago. The huge space rock ...
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.
Bright Ray Craters in Ganymede's Northern Hemisphere Credit - NASA/JPL. T he asteroid collision that killed the dinosaurs 65 million years ago may have been a major cosmic crack-up, but it was ...
Swisher and others dated the formation of the Chicxulub Crater to 65 million years ago. [39] More precisely, they dated igneous rock from the Chicxulub crater to 64.98 million years ago. [100] Sheehan and Fastovsky found terrestrial vertebrates to be the primary victims of the end Cretaceous extinction event, with 88% of their biodiversity lost.
When an asteroid between 10 and 15 kilometres wide struck Mexico’s Yucatan Peninsula around 66 million years ago, its impact caused devastation, setting off wildfires, earthquakes, and ...