Chicxulub crater - Wikipedia
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 ...
Dinosaur-killing asteroid was likely a giant mudball, study says - CNN
2024年8月16日 · Sixty-six million years ago, the story of life on Earth took a dramatic turn when an asteroid collided with what’s now the Yucatán Peninsula in Chicxulub, Mexico. The aftereffects of the...
Chicxulub Crater dust confirms cause of dinosaurs’ extinction
2023年11月16日 · An asteroid smashed into the Yucatán Peninsula 66 million years ago, killing some 75 percent of life on Earth, including all non-avian dinosaurs.
What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit the …
2019年9月9日 · One of the greatest scars on our planet is hidden beneath the Yucatán Peninsula and the Gulf of Mexico. The buried crater, over 90 miles in diameter, was created when a massive asteroid struck...
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 ...
Chicxulub Impact Event - Lunar and Planetary Institute (LPI)
The discovery of shocked quartz, shocked feldspar, and impact melts in the Yucatán-6 exploration borehole from the interior of the Chicxulub structure, proved it was an impact crater and that it was produced at the Cretaceous-Tertiary (K-T) boundary.
Deep Impact and the Mass Extinction of Species 65 Million Years …
2001年12月3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 more than 25 km per second and impacted the Earth at the tip of the Yucatan platform.
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 ...
Dinosaur-killing Chicxulub asteroid formed in Solar System’s
2024年8月15日 · The object that smashed into Earth and kick-started the extinction that wiped out almost all dinosaurs 66 million years ago was an asteroid that originally formed beyond the orbit of Jupiter ...
Dino-Killing Asteroid Hit Just the Right Spot to Trigger Extinction
2017年11月9日 · Of all the places in the world an asteroid could have walloped ancient Earth, the Yucatán Peninsula was possibly the worst. That’s the premise of a new study examining what happened 66 million...