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    Bennu’s near-Earth lifetime of 1.75 million years inferred from craters on its boulders

    An asteroid’s history is determined in large part by its strength against collisions with other objects1,2 (impact strength). Laboratory experiments on centimetre-scale meteorites3 have been extrapolated and butt...

    R.-L. Ballouz, K. J. Walsh, O. S. Barnouin, D. N. DellaGiustina, M. Al Asad in Nature (2020)