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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 8.

Pre-impact micro-XCT slices of simulant targets at voxel sizes of ∼50 μm, which show qualitatively similar interior structures. The insets show the location of each slice in the target. (a) CI_LG_HyFire_001, which has a microporosity ϕ = 43.1%. (b) CI_LG_HyFire_002, with ϕ = 44.0%. (c) CI_LG_HyFire_003, with ϕ = 44.5%. (d) CI_LG_HyFire_003, with ϕ = 42.4%.

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