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A 790,000 Year-Old Asteroid Impact Could Explain Seafloor Spherules
- March 14, 2024
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Researchers recently collected 850 millimeter-sized spherules from the seafloor near Papua New Guinea. They believed they were caused by an interstellar bolide that struck the atmosphere in 2014. Most were terrestrial in origin or resembled typical iron or chondritic meteoroids, but a small ratio was unusual. In a new paper, scientists propose that these spherules are similar to debris found in a vast region caused by an impactor that hit Earth 788,000 years ago.
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"A 790,000 Year-Old Asteroid Impact Could Explain Seafloor Spherules", MachPrinciple, March 14, 2024, https://machprinciple.com/post/A-790-000-Year-Old-Asteroid-Impact-Could-Explain-Seafloor-Spherules
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