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Physical Analysis of Bennu Samples Reveals Regolith Production by Collisional Disruption on Near-Earth Asteroids

  • Authors: R.-L. Ballouz, A. J. Ryan, R. J. Macke, O. S. Barnouin, M. Lê, J. Moreno, S. Eckley, L. Hanton, A. Hildebrand, V. Toy-Edens, R. M. Meier, M. Berkson, E. Asphaug, S. Cambioni, C. G. Hoover, K. Jardine, E.R. Jawin, N. Lunning, J. L. Molaro, M. Pajola, K. Righter, K. T. Ramesh, F. Tusberti, K. J. Walsh, C. W. V. Wolner, D. N. DellaGiustina, H. C. Connolly, D. S. Lauretta

R.-L. Ballouz et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 14.

The simulations of disruptive impacts into 50 m diameter targets of different material types at 5.3 km s−1 were run for sufficiently long (0.2 s) that the mass of the largest remnant (MLF/MT) converges. The data points show the evolution of MLF/MT as a function of a p-wave crossing time, cst/Dtarg, where cs is the material sound speed, t is simulation time, and Dtarg is the target diameter.

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