Experimental browser for the Atmosphere
There's one more line evidence, from Sujoy Mukhopadhyay's group, that didn't make the story. They're using constraints from isotope systems on Earth to date the impact, finding it had to happen between 50 and 90 million years. The work is near submission, but they had an AGU abstract a minute ago.
Mar 17, 2025, 2:18 PM
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