Deep-sea crust uncovers steady plutonium rain from ancient kilonova debris
Debris is still raining down on Earth more than 100 million years after the giant cosmic explosion that created it. A study published this week in Nature Astronomy by an international team reached this conclusion using measurements of rare isotopes within a slow-growing ferromanganese crust recovere...
June 15, 2026104 views
Image: Phys.org
Debris is still raining down on Earth more than 100 million years after the giant cosmic explosion that created it. A study published this week in Nature Astronomy by an international team reached this conclusion using measurements of rare isotopes within a slow-growing ferromanganese crust recovered from the depths of the Pacific Ocean.
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