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  2. Chicxulub crater - Wikipedia

    en.wikipedia.org/wiki/Chicxulub_crater

    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. [13] The impact spewed hundreds of billions of tons of sulfur into the atmosphere, producing a worldwide blackout and freezing temperatures which ...

  3. Curious Kids: What effect did the asteroid that wiped out the ...

    www.aol.com/news/curious-kids-effect-did...

    A mass extinction 66 million years ago killed the non-bird dinosaurs, but plants survived. Curious Kids: What effect did the asteroid that wiped out the dinosaurs have on plants and trees? Skip to ...

  4. 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 ...

  5. 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.

  6. Cretaceous–Paleogene extinction event - Wikipedia

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

    Non-avian dinosaurs, for example, are known from the Maastrichtian of North America, Europe, Asia, Africa, South America, and Antarctica, but are unknown from the Cenozoic anywhere in the world. [32] Similarly, fossil pollen shows devastation of the plant communities in areas as far apart as New Mexico , Alaska , China , and New Zealand . [ 26 ]

  7. Timeline of Cretaceous–Paleogene extinction event research

    en.wikipedia.org/wiki/Timeline_of_Cretaceous...

    C. B. Hatfield and M. J. Camp suggested that the dinosaurs went extinct due to Earth's "[o]scillations about the galactic plane". [25] 1971. Dale Russell and Tucker proposed that a nearby supernova emitted a burst of electromagnetic radiations and cosmic rays that killed off the dinosaurs. [25]

  8. 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 ...

  9. Hell Creek Formation - Wikipedia

    en.wikipedia.org/wiki/Hell_Creek_Formation

    Paleontological camp of Museum of the Rockies in eastern Montana – Hell Creek Formation (summer dig season 2009). The Hell Creek Formation is an intensively studied division of mostly Upper Cretaceous and some lower Paleocene rocks in North America, named for exposures studied along Hell Creek, near Jordan, Montana.