Results 201 to 210 of about 4,638 (257)

Silicate–sulfide interaction within quenched melts of space weathered Ryugu grains [PDF]

Meteoritics & Planetary Science
The first few microns of the surface of airless bodies are subject to severe changes due to the harsh environment of space, known as space weathering.
S. Laforet, H. Leroux, Corentin Le Guillou, Maya Marinova, Adrien Néri, Adrien Teurtrie, Francisco de la Peña, Damien Jacob, Alexandre Fadel, David Troadec   +9 more
semanticscholar   +2 more sources

3D SR‐μXCT analysis for lithology detection: Application to Ryugu sample A0159

Meteoritics &Planetary Science, Volume 60, Issue 11, Page 2623-2654, November 2025.
Extraterrestrial breccia samples are formed through impact‐related processes that combine the fragments of distinct lithologies. As such, they are valuable indicators of the complex formation and evolution history of planetesimals in our solar system ...
Léna Jossé, Z. Dionnet, A. Aléon‐Toppani, Rosario Brunetto, A. King, Emmanuel Gardés, Eva Héripré, D. Loizeau, S. Cryan, K. Hatakeda   +9 more
semanticscholar   +2 more sources

Occurrence and characterization of nanosulfide‐rich regions on asteroid Ryugu: Insights from mackinawite and pyrrhotite

Meteoritics &Planetary Science, Volume 61, Issue 1, Page 168-181, January 2026.
Samples returned from asteroid Ryugu by the Hayabusa2 mission are dominated by fine‐grained matrix material made of phyllosilicates and nanosulfides. Here, we report the mineralogical, textural, and chemical characteristics of nanosulfide‐rich regions ...
Roberto Conconi, H. Leroux, Maya Marinova, S. Laforet, Damien Jacob, Léna Jossé, A. Aléon‐Toppani, Z. Dionnet, Rosario Brunetto, Corentin Le Guillou   +9 more
semanticscholar   +2 more sources

Elastic Properties of Returned Samples From Asteroid (162173) Ryugu

Journal of Geophysical Research: Planets, Volume 130, Issue 10, October 2025.
The successful sample return from asteroid (162173) Ryugu by Hayabusa2 has contributed to our understanding of the solar system evolution. Over the course of the initial sample analysis, various measurements were conducted, such as mineralogical ...
K. Onodera, Yuta Ino, S. Tanaka, T. Kawamura, Takuya Ishizaki, R. Kanemaru, R. Fukai, Takeshi Tsuji, Tomoki Nakamura, Daisuke Nakashima, M. Uesugi, S. Tachibana, S. Sugita, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, T. Yada, M. Nishimura, A. Nakato, Akiko Miyazaki, K. Yogata, M. Abe, Tatsuaki Okada, T. Usui, M. Yoshikawa, T. Saiki, F. Terui, S. Nakazawa, S. Watanabe, Yuichi Tsuda   +32 more
semanticscholar   +2 more sources

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Analyzing asteroid Ryugu

Science, 2023
Samples returned by the Hayabusa2 mission provide context for the world’s ...
openaire   +2 more sources

Experimental constraints on the shock history of CI chondrites and Ryugu grains

Earth and Planetary Science Letters
Toru Nakahashi, M. Miyahara, A. Yamaguchi, Takamichi Kobayashi, Hitoshi Yusa, Masashi Miyakawa, N. Tomioka, Yuto Takaki, T. Noguchi, Toru Matsumoto, Akira Miyake, Y. Igami, Yusuke Seto   +12 more
semanticscholar   +2 more sources

Ryugu Asteroid

2022
(162173) Ryugu is a near-Earth C-type (i.e., carbonaceous) asteroid. It has been, after Itokawa, the second target for an asteroidal sample return, thanks to the JAXA Hayabusa2 mission (Watanabe et al. 2019). Most interestingly, Ryugu in situ observations in 2018–2019 have confirmed, as expected from its classification, the presence of significant ...
openaire   +3 more sources

Low thermal inertia of (162173) Ryugu a result of horizontal cracks in boulders

Icarus (New York, N.Y. 1962)
M. Hamm, M. Strauß, M. Grott, J. Knollenberg, Robert Luther, J. Biele, Hiroki Senshu   +6 more
semanticscholar   +2 more sources

Water in Ryugu as a property of processes in its parent body

Astronomy & Astrophysics
Samples from the asteroid Ryugu provide key information on the initial composition and evolutionary processes of primitive bodies. This study aims to detect H2O spectral features associated with inter-layer water in a statistically significant number of ...
T. Le Pivert-Jolivet, R. Brunetto, C. Pilorget, D. Baklouti, J. Bibring, J. Carter, V. Hamm, K. Hatakeda, T. Jiang, C. Lantz, D. Loizeau, M. Mahlke, A. Nakato, T. Okada, L. Riu, T. Usui, T. Yada, K. Yogata, J. de León, Y. Hitomi, K. Kumagai, J. Licandro, A. Myazaki, K. Nagashima, A. Nakano, M. Nishimura, T. Ojima, Y. Sugiyama, R. Tahara, T. Saiki, S. Tanaka, S. Watanabe, Y. Tsuda   +32 more
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Djerfisherite in a Ryugu grain: A clue to localized heterogeneous conditions or material mixing in the early solar system

Meteoritics & Planetary Science
Djerfisherite, a K‐bearing Fe‐Ni sulfide, was identified in grain C0105‐042 collected from the subsurface of asteroid Ryugu through SEM and TEM analyses.
M. Miyahara, T. Noguchi, A. Yamaguchi, Toru Nakahashi, Yuto Takaki, Toru Matsumoto, N. Tomioka, Akira Miyake, Y. Igami, Yusuke Seto   +9 more
semanticscholar   +1 more source