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  2. Chicxulub crater - Wikipedia

    en.wikipedia.org/wiki/Chicxulub_crater

    More recent evidence suggests the crater is 300 km (190 mi) wide, and the 180 km (110 mi) ring observed is an inner wall of the larger crater. [19] Hildebrand, Penfield, Boynton, Camargo, and others published their paper identifying the crater in 1991. [10] [16] The crater was named for the nearby town of Chicxulub Pueblo. Penfield also ...

  3. Dinosaur-killing asteroid was likely a giant mudball ... - AOL

    www.aol.com/dinosaur-killing-asteroid-likely...

    However, in 1991, scientists found that the Chicxulub crater was the right age to have been formed by a massive asteroid strike coinciding with the demise of the dinosaurs.

  4. The asteroid that killed dinosaurs hit at worst possible ...

    www.aol.com/news/asteroid-killed-dinosaurs-hit...

    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.

  5. Asteroid that killed the dinosaurs was water-rich and ... - AOL

    www.aol.com/dinosaur-killer-rare-asteroid...

    "So the one that killed the dinosaurs is really special in two ways — by what it did, and also by where it originated." This apocalyptic object is what created the Chicxulub crater on Mexico’s ...

  6. Cretaceous–Paleogene extinction event - Wikipedia

    en.wikipedia.org/wiki/Cretaceous–Paleogene...

    In addition to the 180 km (110 mi) Chicxulub crater, there is the 24 km (15 mi) Boltysh crater in Ukraine (65.17 ± 0.64 Ma), the 20 km (12 mi) Silverpit crater in the North Sea (59.5 ± 14.5 Ma) possibly formed by bolide impact, and the controversial and much larger 600 km (370 mi) Shiva crater.

  7. Cretaceous–Paleogene boundary - Wikipedia

    en.wikipedia.org/wiki/Cretaceous–Paleogene...

    The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico. [10] Its center is located near the town of Chicxulub, after which the crater is named. [11] It was formed by a large asteroid or comet about 10–15 km (6.2–9.3 mi) in diameter, [12] [13] the Chicxulub impactor, striking the Earth. The date of the ...

  8. Scientists think they've found the origin of the asteroid ...

    www.aol.com/scientists-think-theyve-found-origin...

    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.

  9. Alvarez hypothesis - Wikipedia

    en.wikipedia.org/wiki/Alvarez_hypothesis

    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.