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The study confirmed previous findings that identified the asteroid as a carbonaceous-type, or C-type, asteroid, but refuted a 2021 hypothesis that the dinosaur killer was likely a comet.
The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the 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.
Luis Walter Alvarez, left, and his son Walter, right, at the K–T Boundary in Gubbio, Italy, 1981. 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.
[2] He became interested in dinosaurs as a teenager, not a young child like many palaeontologists, so he read adult popular science books, which he described as a "gateway into science". He wanted to write an up-to-date book on "the whole evolutionary story of dinosaurs" that would fill that niche and cover new discoveries, which hadn't been ...
While the dinosaurs met their end around 66 million years ago in a catastrophic way, their extinction may have been crucial to the development of the human race.
A human is more likely to die in a fire, flood, or other natural disaster than to die because of an asteroid or comet impact. [2] Another study in 1994 found a 1-in-10,000 chance that the Earth will be hit by a large asteroid or comet with a diameter of about 2 km (1.2 mi) during the next century.
Around 66 million years ago, an asteroid larger than Mt. Everest ripped through the atmosphere of Earth, striking our planet at the Yucatán Peninsula, on the southeastern coast of Mexico.
"The Comet" is a science fiction short story written by W. E. B. Du Bois in 1920. It discusses the relationship between Jim Davis, a black man, and Julia, a wealthy white woman, after a comet strike unleashes toxic gases that kill everyone in New York except them.