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  1. In a study published in "Nature Geoscience", researchers suggest that comet dust from the Chicxulub asteroid impact led to the Cretaceous–Paleogene extinction event, contrary to the widely accepted theory that sulfur led to the mass extinction.
  2. In a study published in "Nature Geoscience", researchers suggest that solid particulates (predominantly silicate) from the Chicxulub asteroid impact played a dominant role in the radiative forcing leading to the Cretaceous–Paleogene extinction event (impact winter), contrary to the widely accepted theory that sulfur aerosols led to the mass extinction.

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