Past Arctic Sea Ice Levels Recreated by Traces of Cosmic Dust

November 6, 2025

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1 min read

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The New York Times

Extraterrestrial particles found at the bottom of the Arctic Ocean could unlock at least 30,000 years of sea ice history, a new study finds.

Scientists have reconstructed 30,000 years of changes to sea ice in several locations across the Arctic Ocean by looking for traces of cosmic dust embedded in the seafloor, according to a study published Thursday. Scientists analyzed sediment samples... [4467 chars]

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Source: The New York Times

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