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  2. Chicxulub crater - Wikipedia

    en.wikipedia.org/wiki/Chicxulub_crater

    A rebuttal in Astronomy & Geophysics countered that Loeb et al. had ignored that the amount of iridium deposited around the globe, 2.0 × 10 8 –2.8 × 10 8 kg (4.4 × 10 8 –6.2 × 10 8 lb), was too large for a comet of the size implied by the crater, and that they had overestimated likely comet impact rates.

  3. 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.

  4. Asteroid that doomed the dinosaurs halted a key process for ...

    www.aol.com/asteroid-doomed-dinosaurs-halted-key...

    Fine dust thrown up into Earth’s atmosphere after an asteroid strike 66 million years ago blocked the sun to an extent that plants were unable to photosynthesize, a new study has found.

  5. After 66 million years, scientists discover there wasn’t just ...

    www.aol.com/news/66-million-years-scientists...

    A six-mile-long asteroid, which struck Earth 66 million years ago, wiped out the dinosaurs and more than half of all life on Earth.The impact left a 124-mile-wide crater underneath the Gulf of ...

  6. Impact winter - Wikipedia

    en.wikipedia.org/wiki/Impact_winter

    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

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

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

    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.

  8. Sylacauga (meteorite) - Wikipedia

    en.wikipedia.org/wiki/Sylacauga_(meteorite)

    The earliest claim of a person being hit by a meteorite comes from 1677 in a manuscript published at Tortona, Italy, which tells of a Milanese friar who was killed by one, although its veracity is unknown. [11] The Tunguska event in 1908 is reported to have caused three casualties. [12]

  9. Scientists believe they have finally uncovered what killed ...

    www.aol.com/news/scientists-believe-finally...

    The study shows that the asteroid, while having a severe initial impact, did not immediately kill off the dinosaurs - instead slowly killing them off over a few years.