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The Yucatan Chicxulub asteroid struck in springtime


Denis Arcand

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Denis Arcand

At Tanis, scientists studied the remains of three sturgeons and three paddlefish, using in particular high-resolution X-ray tomographic analysis from the Grenoble European Synchrotron (ESRF). They first established that the fish had indeed perished in the seiche episode, which was accompanied by a rain of glass spherules...

 

https://www.cnn.com/2022/02/23/world/asteroid-dinosaur-extinction-spring-scn/index.html

 

 

The research is described in a paper published Wednesday (Dec. 8) in the journal Scientific Reports.

 

Illustration montrant un dinosaure à la suite de la chute d'un astéroïde.

Edited by Denis Arcand
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Denis Arcand

It's amazing to know the exact season of dinosaur extinction thanks to fossils.

 

I wonder how certain this conclusion is? 

Edited by Denis Arcand
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FranzBernhard
5 hours ago, Denis Arcand said:

exact season of dinosaur extinction thanks to fossils.

 

I wonder how certain this conclusion is? 

Well, its about when the asteroid hit. When the last dino or ammo died is something completely different (northern vs. southern hemisphere etc.).

Franz Bernhard

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