/sci/ - Science & Math » Thread #11156760

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Anonymous Mon 18 Nov 04:43:09 2019 No.11156760 View Reply Original Report

Quoted By: >>11157125

How do we know radiation from a supernova caused the mass die-off of the Permian extinction?

Anonymous

Anonymous Mon 18 Nov 2019 05:35:10 No.11156848 Report

Quoted By:

ice cores

Anonymous

Anonymous Mon 18 Nov 2019 05:54:36 No.11156875 Report

Quoted By: >>11157076

They don't know the causes of extinctions.
Meteor impacts or some geologic changes are often suspected as causes.

Anonymous

Anonymous Mon 18 Nov 2019 05:55:48 No.11156880 Report

Quoted By:

We don't. Whoever told you that with certainty is an idiot

Anonymous

Anonymous Mon 18 Nov 2019 07:32:51 No.11157076 Report

Quoted By:

>>11156875
>geological changes

Like supernovae

Anonymous

Anonymous Mon 18 Nov 2019 08:14:09 No.11157125 Report

Quoted By:

>>11156760
I thought the prevailing hypothesis is massive amounts of greenhouse gases from enormous fissures in the earth’s rust like the Siberian Traps?

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