Chicxulub crater - Wikipedia
It was formed slightly over 66 million years ago when an asteroid, about ten kilometers (six miles) in diameter, struck Earth. The crater is estimated to be 200 kilometers (120 miles) in diameter and 1 kilometer (0.62 miles) in depth.
What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit ...
2019年9月9日 · The immense Chicxulub crater is a remnant of one of the most consequential days in the history of life on Earth. The asteroid strike triggered the Cretaceous-Paleogene, or K-Pg, mass...
Asteroid dust found at Chicxulub Crater confirms cause of ...
2023年11月16日 · Researchers think new evidence found in the Chicxulub Crater finally closes the case of what happened to the dinosaurs 66 million years ago.
Chicxulub: Scientists identify asteroid type behind dinosaur ...
2024年8月16日 · 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.
New theory behind Chicxulub impactor that killed the dinosaurs
2021年2月15日 · The Chicxulub impactor, as it’s known, was a plummeting asteroid or comet that left behind a crater off the coast of Mexico that spans 93 miles and goes 12 miles deep. Its devastating impact brought the reign of the dinosaurs to an abrupt and calamitous end, scientists say, by triggering their sudden mass extinction, along with the end of ...
Chicxulub: The asteroid that killed the dinosaurs | New Scientist
At the end of the Cretaceous Period 66 million years ago, an asteroid the size of a city collided with Earth. The Chicxulub impactor, as it is called, was somewhere between 10 and 15 kilometres...
What Happened At Chicxulub? The Asteroid Impact That Killed ...
2024年10月24日 · "About 65 million years ago at the boundary between the Cretaceous (the last geological period of the Mesozoic) and the Tertiary eras, a large asteroid came rushing out of space at a velocity of...
Updated: Drilling of dinosaur-killing impact crater explains ...
2016年11月17日 · UPDATE: Today, scientists published their first results from a drilling expedition into Chicxulub crater, the buried remnants of an asteroid impact off the Yucatán Peninsula in Mexico that killed off the dinosaurs 66 million years ago. Their discovery of shocked, granite rocks from deep in the crust placed "out of order" on top of sedimentary ...
The Chicxulub impact and its environmental consequences - Nature
2022年4月12日 · The Chicxulub impact 66 million years ago caused catastrophic environmental changes, leading to the extinction of three-quarters of plant and animal species, including the dinosaurs.
Chicxulub asteroid impact created 2-year cloud of dust that ...
2023年11月1日 · Rocks formed during the Chicxulub asteroid impact reveal fine dust particles were main drivers of the global winter which led to extinction of 75% of Earth's species.