The Rock That Killed the Dinosaurs Left Behind a Nickel Signature From Beyond Jupiter
The impactor that wiped out the dinosaurs 66 million years ago vaporized on contact — no fragment of it survives today. Yet nickel isotopes buried in a thin clay layer found across the globe reveal what it was: a rare carbon-rich 'CO chondrite,' born in the cold reaches beyond Jupiter. SORABUMI breaks down the science.
