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Effect of a giant meteorite impact on Paleoarchean environment and life

(www.chemistryworld.com)
133 points kristianp | 2 comments | 17 Nov 24 00:02 UTC | HN request time: 0.397s | source
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jeffbee ◴[17 Nov 24 02:09 UTC] No.42161405[source]▶
The paper also mentions that, at the time, "dinosaur killer"-sized objects hit the Earth every 15 million years on average, which must have been sort of disruptive.
replies(1): >>42161434 #
kevinkeller ◴[17 Nov 24 02:15 UTC] No.42161434[source]▶
Likely due to this: https://en.wikipedia.org/wiki/Late_Heavy_Bombardment
replies(1): >>42161452 #
1. jeffbee ◴[17 Nov 24 02:18 UTC] No.42161452[source]▶
What these authors claimed recently was that prior LHB estimates were low by a large factor. https://www.nature.com/articles/s41561-021-00835-9
replies(1): >>42161492 #
2. kevinkeller ◴[17 Nov 24 02:25 UTC] No.42161492[source]▶
Thanks for the paper link!