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Solar heating and atmospheric filtering bias the meteorite record

An examination of nearly 8,000 impact observations indicates that the objects most likely to reach the Earth’s surface have experienced substantial thermal stress during close solar encounters. Around half of the remaining objects are then removed by the atmosphere, resulting in a filtered subset of material in the meteoritic collection.

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Fig. 1: Differences in the orbital distributions of Earth impactors and meteorite-dropping impactors.

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This is a summary of: Shober, P. M. et al. Perihelion history and atmospheric survival as primary drivers of the Earth’s meteorite record. Nat. Astron. https://doi.org/10.1038/s41550-025-02526-6 (2025).

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Solar heating and atmospheric filtering bias the meteorite record. Nat Astron 9, 779–780 (2025). https://doi.org/10.1038/s41550-025-02527-5

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