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Hello and welcome! My name is Anton and in this video, we will talk about new discoveries about the asteroid that killed the dinosaurs - some quite surprising
Links:
https://pubs.geoscienceworld.org/gsa/geology/article-abstract/51/5/486/621218/Steady-decline-in-mean-annual-air-temperatures-in
https://www.nature.com/articles/d41586-022-04181-7
Previous video: https://youtu.be/gw5ZHPWRUOg
Tsunami signs: https://youtu.be/TrGNYkIYio0
Asteroid origins: https://youtu.be/dD1jwEs_6xs
Another crater? https://youtu.be/xl1HTFFINng
#dinosaur #asteroid #extinction
0:00 Introduction to the new study
2:00 How was this measured?
3:50 Volcano around the same time
4:30 Unusual findings
6:30 Potential explanations
8:50 Earth recovers so fast!
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Images/Videos:
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Nobu Tamura CC BY 3.0 https://en.wikipedia.org/wiki/Osteodontornis#/media/File:Osteodontornis_BW.jpg
Paleontological Museum of Liaoning
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TLDR: An asteroid doesn’t seem to be the cause of the dinosaurs going extinct. The asteroid defintely occurred, yet it seems like the Jurassic extinction was years afterwards while the nuclear winter seems to only have taken place briefly. By focusing on mean temperature and bacterial cell morphology post the asteroid, our current understanding would impact everything from dino’s to microbes yet microbes we’re thriving years after the impact. Current idea’s are revolving around a volcano in India being the cause of extinction, but more research is needed to confirm.
TL;DR earthly natural extinction events may be far more likely than we think.