Regolith migration on asteroid 101955 Bennu inferred from boulder alignment
J.R. Marshall, C. Beddingfield, L.K. Fenton, K. Walsh, D.S. Lauretta Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 21 February 2023 LINK “The alignment of elongated-boulder long axes was measured for the surface regolith…
Cold Compaction and Macro-Porosity Removal in Rubble-Pile Asteroids: 1. Theory
Zhongtian Zhang, David Bercovici, Linda Elkins-Tanton JGR Planets LINK “Key Points Models are developed for cold compaction of rubble piles of different materials Silicate and chondritic assemblages may be substantially compacted through boulder fracturing at…
Cold Compaction and Macro-Porosity Removal in Rubble-Pile Asteroids: 2. Applications
Zhongtian Zhang, David Bercovici, Linda Elkins-Tanton JGR PlanetsFirst published: 07 October 2022 LINK “Key Points We model cold compaction in stony and metallic rubble piles, under the assumption of initially narrow boulder size distributions Stony…
Alignment of fractures on Bennu’s boulders indicative of rapid asteroid surface evolution
Marco Delbo, Kevin J. Walsh, Christophe Matonti, Justin Wilkerson, Maurizio Pajola, Manar M. Al Asad, Chrysa Avdellidou, Ronald-Louis Ballouz, Carina A. Bennett, Harold C. Connolly Jr., Daniella N. DellaGiustina, Dathon R. Golish, Jamie L. Molaro,…
Three-axial shape distributions of pebbles, cobbles and boulders smaller than a few meters on asteroid RyuguOPEN ACCESS
Tatsuhiro Michikami, Axel Hagermann, Tomokatsu Morota, Yasuhiro Yokota, Seitaro Urakawa, Hiroyuki Okamura, Naoya Tanabe, Koki Yumoto, Tatsuki Ebihara, Yuichiro Cho, Carolyn M. Ernst, Masahiko Hayakawa, Masatoshi Hirabayashi, Naru Hirata, Chikatoshi Honda, Rie Honda, Shingo Kameda,…
Geologic History and Crater Morphology of Asteroid (162173) Ryugu Crater morphology and chronology of asteroid Ryugu
Y. Cho, T. Morota, M. Kanamaru, N. Takaki, K. Yumoto, C. M. Ernst, M. Hirabayashi, O. S. Barnouin, E. Tatsumi, K. A. Otto, N. Schmitz, R. J. Wagner, R. Jaumann, H. Miyamoto, H. Kikuchi, R….
Spectral effects of varying texture and composition in two-component “mudpie” simulations: Insights for Asteroid (101955) BennuOPEN ACCESS
Antara Sen, Beth E. Clark, Edward A. Cloutis, Daniella N. DellaGiustina, Amanda R. Hendrix, Amy A. Simon, Daniel M. Applin, Alexis Parkinson, Nathalie Turenne, Stephanie Connell, Salvatore M. Ferrone, Jian-Yang Li, Lucy F. Lim, Dante…
The Macroporosity of Rubble Pile Asteroid Ryugu and Implications for the Origin of ChondrulesOPEN ACCESS
William Herbst, James P. Greenwood and Teng Ee Yap The Planetary Science Journal, Volume 2, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We use the known surface boulder-size distribution of the C-type rubble pile asteroid…
The brittle boulders of dwarf planet CeresOPEN ACCESS
Stefan Schröder, Uri Carsenty, Ernst Hauber, Carol Raymond, Christopher Russell Accepted by the Planetary Science Journal PDF (OPEN ACCESS) Update (15 June 2021): The Planetary Science Journal, Volume 2, Number 3LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
Anomalously porous boulders on (162173) Ryugu as primordial materials from its parent body
N. Sakatani, S. Tanaka, T. Okada, T. Fukuhara, L. Riu, S. Sugita, R. Honda, T. Morota, S. Kameda, Y. Yokota, E. Tatsumi, K. Yumoto, N. Hirata, A. Miura, T. Kouyama, H. Senshu, Y. Shimaki, T….
High-resolution observations of bright boulders on asteroid Ryugu: 1. Size frequency distribution and morphologyOPEN ACCESS
Chiho Sugimoto, Eri Tatsumi, Yuichiro Cho, Tomokatsu Morota, Rie Honda, Shingo Kameda, Yosuhiro, Yokota, Koki Yumoto, Minami Aoki, Daniella N. DellaGiustina, Tatsuhiro Michikami, Takahiro Hiroi, Deborah L. Domingue, Patrick Michel, Stefan E.Schröder, Tomoki Nakamura, Manabu…
Characterization of Exogenic Boulders on Near-Earth Asteroid (101955) Bennu from OSIRIS-REx Color ImagesOPEN ACCESS
Lucille Le Corre, Vishnu Reddy, William F. Bottke, Daniella N. DellaGiustina, Keara Burke, Jennifer Nolau, Robin B. Van Auken, Dathon R. Golish, Juan Sanchez, Jian-Yang Li, Christian d’Aubigny, Bashar Rizk, Dante Lauretta PDF (OPEN ACCESS)…
Network of thermal cracks in meteorites due to temperature variations: new experimental evidence and implications for asteroid surfaces
Guy Libourel, Clément Ganino, Marco Delbo, Mathieu Niezgoda, Benjamin Remy, Lionel Aranda, Patrick Michel Monthly Notices of the Royal Astronomical Society,Published: 22 October 2020 LINK “In recent years several studies have shown the importance of…
Bennu’s near-Earth lifetime of 1.75 million years inferred from craters on its boulders
R.-L. Ballouz, K. J. Walsh, O. S. Barnouin, D. N. DellaGiustina, M. Al Asad, E. R. Jawin, M. G. Daly, W. F. Bottke, P. Michel, C. Avdellidou, M. Delbo, R. T. Daly, E. Asphaug, C….
Low thermal conductivity boulder with high porosity identified on C-type asteroid (162173) Ryugu
M. Grott, J. Knollenberg, M. Hamm, K. Ogawa, R. Jaumann, K. A. Otto, M. Delbo, P. Michel, J. Biele, W. Neumann, M. Knapmeyer, E. Kührt, H. Senshu, T. Okada, J. Helbert, A. Maturilli, N. Müller,…
Rounded Boulders on Itokawa as Clues to Geological Processes in the Early Solar System
J. Marshall, B. Rizk Planetary and Space Science In Press, Accepted Manuscript, Available online 3 October 2015 doi:10.1016/j.pss.2015.09.015 LINK “Large rounded boulders on Itokawa are a surprising find and may be evidence of forceful inter-boulder…
