"Rock core from dinosaur-killing impact reveals how ..." Topic
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Tango01 | 29 Nov 2016 3:30 p.m. PST |
…enormous craters form. " Drilling into ground zero of the asteroid impact that killed off the dinosaurs 66 million years ago has uncovered the origin of its mysterious ring of mountains. The drill core penetrated a circle of mountains, known as a peak ring, in Mexico's buried Chicxulub crater. Only the largest impacts are powerful enough to form peak rings. Understanding how these mountains formed at the 200-kilometre-wide Chicxulub could help to reveal how cosmic collisions shaped other bodies, such as the Moon and Venus. The work also shows how, despite killing the dinosaurs, the impact may have created an environment where other life could thrive. The cosmic smash-up fractured rocks, opening up spaces and warm habitats for microbes to move in…" link Main page link Amicalement Armand |
JMcCarroll | 29 Nov 2016 5:52 p.m. PST |
That would explain my bother-in-law! |
Hafen von Schlockenberg | 29 Nov 2016 7:41 p.m. PST |
Thanks for this,Armand--very interesting. |
Tango01 | 30 Nov 2016 11:11 a.m. PST |
A votre service mon ami!. (smile) JMCarroll… dude!. Amicalement Armand
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