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Crater population on asteroid (101955) Bennu indicates impact armouring and a young surface

https://doi.org/10.1038/s41561-022-00914-5

Bierhaus, E. B.; Trang, D.; Daly, R. T.; Bennett, C. A.; Barnouin, O. S.; Walsh, K. J.; Ballouz, R.-L.; Bottke, W. F.; Burke, K. N.; Perry, M. E.; et al (April 2022, Nature Geoscience)

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Dark primitive asteroids account for a large share of K/Pg-scale impacts on the Earth

https://doi.org/10.1016/j.icarus.2021.114621

Nesvorný, David; Bottke, William F.; Marchi, Simone (November 2021, Icarus)

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Fine-regolith production on asteroids controlled by rock porosity

https://doi.org/10.1038/s41586-021-03816-5

Cambioni, S.; Delbo, M.; Poggiali, G.; Avdellidou, C.; Ryan, A. J.; Deshapriya, J. D.; Asphaug, E.; Ballouz, R.-L.; Barucci, M. A.; Bennett, C. A.; et al (October 2021, Nature)

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