Results 21 to 30 of about 1,926 (144)
Ryugu and Bennu preserve primordial isotopic heterogeneity absent from the meteorite record [PDF]
Nature CommunicationsIvuna-type (CI) carbonaceous chondrites are commonly used as proxies for the composition of the planet-forming disk because their chemical abundances resemble those of the solar photosphere.Martin Bizzarro, Martin Schiller, Elishevah van Kooten, Isaac J. Onyett, Wei Dai, Yuki Masuda, James N. Connelly, Frédéric Moynier, Tetsuya Yokoyama, Maria Schönbächler, Jessica J. Barnes, Ann N. Nguyen, Harold C. Connolly, Dante S. Lauretta +13 moredoaj +2 more sourcesVariations of organic functional chemistry in carbonaceous matter from the asteroid 162173 Ryugu [PDF]
Nature CommunicationsPrimordial carbon delivered to the early earth by asteroids and meteorites provided a diverse source of extraterrestrial organics from pre-existing simple organic compounds, complex solar-irradiated macromolecules, and macromolecules from extended ...Bradley De Gregorio, George D. Cody, Rhonda M. Stroud, A. L. David Kilcoyne, Scott Sandford, Corentin Le Guillou, Larry R. Nittler, Jens Barosch, Hikaru Yabuta, Zita Martins, Yoko Kebukawa, Taiga Okumura, Minako Hashiguchi, Shohei Yamashita, Yasuo Takeichi, Yoshio Takahashi, Daisuke Wakabayashi, Cécile Engrand, Laure Bejach, Lydie Bonal, Eric Quirico, Laurent Remusat, Jean Duprat, Maximilien Verdier-Paoletti, Smail Mostefaoui, Mutsumi Komatsu, Jérémie Mathurin, Alexandre Dazzi, Ariane Deniset-Besseau, Emmanuel Dartois, Yusuke Tamenori, Hiroki Suga, Gilles Montagnac, Kanami Kamide, Miho Shigenaka, Megumi Matsumoto, Yuma Enokido, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Tomohiro Usui, Masanao Abe, Tatsuaki Okada, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Ryuji Okazaki, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Sei-ichiro Watanabe, Yuichi Tsuda +58 moredoaj +2 more sourcesBreunnerite grain and magnesium isotope chemistry reveal cation partitioning during aqueous alteration of asteroid Ryugu [PDF]
Nature CommunicationsReturned samples from the carbonaceous asteroid (162173) Ryugu provide pristine information on the original aqueous alteration history of the Solar System.Toshihiro Yoshimura, Daisuke Araoka, Hiroshi Naraoka, Saburo Sakai, Nanako O. Ogawa, Hisayoshi Yurimoto, Mayu Morita, Morihiko Onose, Tetsuya Yokoyama, Martin Bizzarro, Satoru Tanaka, Naohiko Ohkouchi, Toshiki Koga, Jason P. Dworkin, Tomoki Nakamura, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Kanako Sakamoto, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Sei-ichiro Watanabe, Yuichi Tsuda, Shogo Tachibana, Yoshinori Takano +35 moredoaj +2 more sourcesHydrogen Isotopic Composition of Hydrous Minerals in Asteroid Ryugu
The Astrophysical Journal Letters, 2023 Rock fragments of the Cb-type asteroid Ryugu returned to Earth by the JAXA Hayabusa2 mission share mineralogical, chemical, and isotopic properties with the Ivuna-type (CI) carbonaceous chondrites.Laurette Piani, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamoto, Ken-ichi Bajo, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson, Marc Chaussidon, Byeon-Gak Choi, Nicolas Dauphas, Andrew M. Davis, Tommaso Di Rocco, Wataru Fujiya, Ryota Fukai, Ikshu Gautam, Makiko K. Haba, Yuki Hibiya, Hiroshi Hidaka, Hisashi Homma, Peter Hoppe, Gary R. Huss, Kiyohiro Ichida, Tsuyoshi Iizuka, Trevor R. Ireland, Akira Ishikawa, Shoichi Itoh, Noriko T. Kita, Kouki Kitajima, Thorsten Kleine, Shintaro Komatani, Alexander N. Krot, Ming-Chang Liu, Yuki Masuda, Kevin D. McKeegan, Mayu Morita, Kazuko Motomura, Frédéric Moynier, Izumi Nakai, Ann Nguyen, Larry Nittler, Morihiko Onose, Andreas Pack, Changkun Park, Liping Qin, Sara S. Russell, Maria Schönbächler, Lauren Tafla, Haolan Tang, Kentaro Terada, Yasuko Terada, Tomohiro Usui, Sohei Wada, Meenakshi Wadhwa, Richard J. Walker, Katsuyuki Yamashita, Qing-Zhu Yin, Tetsuya Yokoyama, Shigekazu Yoneda, Edward D. Young, Hiroharu Yui, Ai-Cheng Zhang, Tomoki Nakamura, Hiroshi Naraoka, Ryuji Okazaki, Kanako Sakamoto, Hikaru Yabuta, Masanao Abe, Akiko Miyazaki, Aiko Nakato, Masahiro Nishimura, Tatsuaki Okada, Toru Yada, Kasumi Yogata, Satoru Nakazawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Yuichi Tsuda, Sei-ichiro Watanabe, Makoto Yoshikawa, Shogo Tachibana, Hisayoshi Yurimoto +87 moredoaj +2 more sourcesPrimordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu [PDF]
Nature CommunicationsWe report primordial aqueous alteration signatures in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu by the Hayabusa2 spacecraft of JAXA.Yoshinori Takano, Hiroshi Naraoka, Jason P. Dworkin, Toshiki Koga, Kazunori Sasaki, Hajime Sato, Yasuhiro Oba, Nanako O. Ogawa, Toshihiro Yoshimura, Kenji Hamase, Naohiko Ohkouchi, Eric T. Parker, José C. Aponte, Daniel P. Glavin, Yoshihiro Furukawa, Junken Aoki, Kuniyuki Kano, Shin-ichiro M. Nomura, Francois-Regis Orthous-Daunay, Philippe Schmitt-Kopplin, Hayabusa2-initial-analysis SOM team, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Kanako Sakamoto, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Sei-ichiro Watanabe, Yuichi Tsuda, Shogo Tachibana +42 moredoaj +2 more sourcesThe evolution of organic material on Asteroid 162173 Ryugu and its delivery to Earth [PDF]
Nature CommunicationsThe recent return of samples from asteroid 162173 Ryugu provides a first insight into early Solar System prebiotic evolution from known planetary bodies. Ryugu’s samples are CI chondrite-like, rich in water and organic material, and primarily composed of H. G. Changela, Y. Kebukawa, L. Petera, M. Ferus, E. Chatzitheodoridis, L. Nejdl, R. Nebel, V. Protiva, P. Krepelka, J. Moravcova, R. Holbova, Z. Hlavenkova, T. Samoril, J. C. Bridges, S. Yamashita, Y. Takahashi, T. Yada, A. Nakato, K. Sobotkova, H. Tesarova, D. Zapotok +20 moredoaj +2 more sourcesOxygen-Bearing Organic Components in Ryugu Samples [PDF]
The Hayabusa2 mission visited the near-Earth Cb-type asteroid (162173) Ryugu and has returned to Earth with the surface material of Ryugu. Ryugu is an airless rubble pile asteroid exposed to space weathering.Matsumoto, M., Isa, J., Han, J., Burchell, M., Tsuchiyama, A., Brunetto, R., Hurtarte, L. C. C., Zolensky, M., Krizan, P., Amano, K., Almeida, N., Miyake, A., Chan, Q. H. S., Bays, C., Spathis, V., Liu, M. C., Nakamura, T., Kikuiri, M., Matsuno, J. +18 morecore +8 more sourcesPresolar Stardust in Asteroid Ryugu
, 2022 We have conducted a NanoSIMS-based search for presolar material in samples recently returned from C-type asteroid Ryugu as part of JAXA's Hayabusa2 mission.Nakazawa, Satoru, Kleine, Thorsten, Tamenori, Yusuke;, Park, Changkun;, Okumura, Taiga, Dazzi, Alexandre, Tsuda, Yuichi, Noguchi, Takaaki;, Naraoka, Hiroshi;, Yogata, Kasumi, Bonal, Lydie;, Dauphas, Nicolas, Engrand, Cécile;, Okada, Tatsuaki, Saiki, Takanao;, Yogata, Kasumi;, Tafla, Lauren, Zhang, Ai-Cheng;, Deniset-Besseau, Ariane, Nakamura, Tomoki;, Hidaka, Hiroshi;, Mathurin, Jérémie;, Quirico, Eric, Russell, Sara S., Schönbächler, Maria;, Komatani, Shintaro;, Bajo, Ken-ichi;, Yoneda, Shigekazu;, Saiki, Takanao, Morita, Mayu;, Moynier, Frédéric;, Wakabayashi, Daisuke;, Yurimoto, Hisayoshi;, Homma, Hisashi;, Duprat, Jean, Fujiya, Wataru;, Wadhwa, Meenakshi, Aléon, Jérôme, O’D. Alexander, Conel M.;, Abe, Yoshinari, Bizzarro, Martin;, Yui, Hiroharu;, Kitajima, Kouki, Cody, George D.;, Usui, Tomohiro, Tafla, Lauren;, Tsuda, Yuichi;, Miyazaki, Akiko;, Tachibana, Shogo;, Itoh, Shoichi, Okazaki, Ryuji, Ito, Motoo;, Naraoka, Hiroshi, Ichida, Kiyohiro;, Walker, Richard J., Kebukawa, Yoko, Yokoyama, Tetsuya, Miyazaki, Akiko, Nishimura, Masahiro, David Kilcoyne, A. L.;, Moynier, Frédéric, Liu, Ming-Chang;, Nagashima, Kazuhide;, Hoppe, Peter, Liu, Ming-Chang, Tanaka, Satoshi, Yin, Qing-Zhu;, Motomura, Kazuko;, Remusat, Laurent, Amelin, Yuri, Hibiya, Yuki, Onose, Morihiko, Suga, Hiroki, Yabuta, Hikaru;, Fukai, Ryota, Takahashi, Yoshio, Mathurin, Jérémie, Yamashita, Katsuyuki;, Dartois, Emmanuel, Montagnac, Gilles, Bouvier, Audrey;, Usui, Tomohiro;, Huss, Gary R., Martins, Zita, Abe, Yoshinari;, Nishimura, Masahiro;, Tanaka, Satoshi;, Yokoyama, Tetsuya;, De Gregorio, Bradley T., Engrand, Cécile, Mostefaoui, Smail;, Onose, Morihiko;, Yada, Toru;, Walker, Richard J.;, Sandford, Scott A., Yamashita, Shohei;, Choi, Byeon-Gak;, Hidaka, Hiroshi, Kitajima, Kouki;, Kamide, Kanami;, Komatsu, Mutsumi;, Remusat, Laurent;, Nakato, Aiko;, Sakamoto, Naoya, Kamide, Kanami, Iizuka, Tsuyoshi;, Nakazawa, Satoru;, Stroud, Rhonda M.;, Amari, Sachiko;, Young, Edward D.;, Wada, Sohei, Itoh, Shoichi;, Yada, Toru, Nakai, Izumi, Amelin, Yuri;, Terui, Fuyuto, Hibiya, Yuki;, Schönbächler, Maria, Watanabe, Sei-ichiro, Montagnac, Gilles;, Abe, Masanao, McKeegan, Kevin D.;, Morita, Mayu, Motomura, Kazuko, Ishikawa, Akira;, O’D. Alexander, Conel M., Kawasaki, Noriyuki;, Deniset-Besseau, Ariane;, Bejach, Laure, Nakato, Aiko, Duprat, Jean;, Gautam, Ikshu, Krot, Alexander N., Terada, Kentaro, Yoneda, Shigekazu, Bajo, Ken-ichi, Nguyen, Ann N.;, Carlson, Richard W., Bouvier, Audrey, Bizzarro, Martin, Nakamura, Tomoki, Wadhwa, Meenakshi;, Bejach, Laure;, Okumura, Taiga;, Zhang, Ai-Cheng, Kita, Noriko T.;, Shigenaka, Miho;, Komatsu, Mutsumi, Terada, Yasuko, Verdier-Paoletti, Maximilien, Gautam, Ikshu;, Wang, Jianhua, Masuda, Yuki;, Sakamoto, Kanako;, Komatani, Shintaro, Chaussidon, Marc;, Russell, Sara S.;, Shigenaka, Miho, Tang, Haolan, Qin, Liping, Hashiguchi, Minako;, Nittler, Larry R., Abe, Masanao;, Cody, George D., Kawasaki, Noriyuki, Yin, Qing-Zhu, Davis, Andrew M., Iizuka, Tsuyoshi, Chaussidon, Marc, Hashiguchi, Minako, Ireland, Trevor R., Kleine, Thorsten;, Amari, Sachiko, Dazzi, Alexandre;, Ishikawa, Akira, Ichida, Kiyohiro, Quirico, Eric;, Takahashi, Yoshio;, Yamashita, Shohei, Homma, Hisashi, Nittler, Larry R.;, Piani, Laurette;, Nakai, Izumi;, Okada, Tatsuaki;, De Gregorio, Bradley T.;, Tang, Haolan;, Terada, Yasuko;, Takeichi, Yasuo;, Verdier-Paoletti, Maximilien;, Ito, Motoo, Masuda, Yuki, Tamenori, Yusuke, Carlson, Richard W.;, Ohigashi, Takuji;, Yoshikawa, Makoto, Qin, Liping;, Watanabe, Sei-ichiro;, Wakabayashi, Daisuke, Wada, Sohei;, Noguchi, Takaaki, Dauphas, Nicolas;, Martins, Zita;, Yoshikawa, Makoto;, Barosch, Jens, Ohigashi, Takuji, Haba, Makiko K.;, Yamashita, Katsuyuki, Kebukawa, Yoko;, Nagashima, Kazuhide, Yabuta, Hikaru, Piani, Laurette, Krot, Alexander N.;, Tachibana, Shogo, Stroud, Rhonda M., Okazaki, Ryuji;, David Kilcoyne, A. L., Sakamoto, Kanako, Yui, Hiroharu, Huss, Gary R.;, Sakamoto, Naoya;, Ireland, Trevor R.;, Terada, Kentaro;, Takeichi, Yasuo, Bonal, Lydie, Aléon, Jérôme;, Dartois, Emmanuel;, Choi, Byeon-Gak, Fukai, Ryota;, Haba, Makiko K., Suga, Hiroki;, Wang, Jianhua;, McKeegan, Kevin D., Fujiya, Wataru, Kita, Noriko T., Yurimoto, Hisayoshi, Di Rocco, Tommaso;, Terui, Fuyuto;, Pack, Andreas;, Barosch, Jens;, Pack, Andreas, Park, Changkun, Young, Edward D., Mostefaoui, Smail, Nguyen, Ann N., Davis, Andrew M.;, Di Rocco, Tommaso, Sandford, Scott A.;, Hoppe, Peter; +247 morecore +3 more sourcesOrganic Matter in the Asteroid Ryugu: What We Know So Far
Life, 2023 The Hayabusa2 mission was tasked with returning samples from the C-complex asteroid Ryugu (1999 JU3), in order to shed light on the formation, evolution and composition of such asteroids.Christian Potiszil, Masahiro Yamanaka, Chie Sakaguchi, Tsutomu Ota, Hiroshi Kitagawa, Tak Kunihiro, Ryoji Tanaka, Katsura Kobayashi, Eizo Nakamura +8 moredoaj +1 more sourceMid-infrared emissivity of partially dehydrated asteroid (162173) Ryugu shows strong signs of aqueous alteration
Nature Communications, 2022 Spectral characteristics can be used to link asteroid and meteorite materials. Here, the authors show in-situ mid-infrared data of a boulder on asteroid Ryugu, compared with laboratory spectra of various meteorites, indicate that Ryugu experienced strong M. Hamm, M. Grott, H. Senshu, J. Knollenberg, J. de Wiljes, V. E. Hamilton, F. Scholten, K. D. Matz, H. Bates, A. Maturilli, Y. Shimaki, N. Sakatani, W. Neumann, T. Okada, F. Preusker, S. Elgner, J. Helbert, E. Kührt, T.-M. Ho, S. Tanaka, R. Jaumann, S. Sugita +21 moredoaj +1 more source
