| Title: | Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites |
| Authors: | Yokoyama, Tetsuya Browse this author →KAKEN DB |
| Nagashima, Kazuhide Browse this author |
| Nakai, Izumi Browse this author →KAKEN DB |
| Young, Edward D. Browse this author |
| Abe, Yoshinari Browse this author →KAKEN DB |
| Aleon, Jerome Browse this author |
| Alexander, Conel M. O'D. Browse this author |
| Amari, Sachiko Browse this author |
| Amelin, Yuri Browse this author |
| Bajo, Ken-ichi Browse this author →KAKEN DB |
| Bizzarro, Martin Browse this author |
| Namiki, Noriyuki Browse this author →KAKEN DB |
| Noda, Hirotomo Browse this author →KAKEN DB |
| Noguchi, Rina Browse this author |
| Ogawa, Naoko Browse this author →KAKEN DB |
| Ogawa, Kazunori Browse this author →KAKEN DB |
| Okada, Tatsuaki Browse this author →KAKEN DB |
| Okamoto, Chisato Browse this author |
| Ono, Go Browse this author |
| Ozaki, Masanobu Browse this author |
| Saiki, Takanao Browse this author →KAKEN DB |
| Bouvier, Audrey Browse this author |
| Sakatani, Naoya Browse this author |
| Sawada, Hirotaka Browse this author →KAKEN DB |
| Senshu, Hiroki Browse this author →KAKEN DB |
| Shimaki, Yuri Browse this author →KAKEN DB |
| Shirai, Kei Browse this author |
| Sugita, Seiji Browse this author →KAKEN DB |
| Takei, Yuto Browse this author |
| Takeuchi, Hiroshi Browse this author |
| Tanaka, Satoshi Browse this author |
| Tatsumi, Eri Browse this author |
| Carlson, Richard W. Browse this author |
| Terui, Fuyuto Browse this author |
| Tsuda, Yuichi Browse this author →KAKEN DB |
| Tsukizaki, Ryudo Browse this author →KAKEN DB |
| Wada, Koji Browse this author →KAKEN DB |
| Watanabe, Sei-ichiro Browse this author →KAKEN DB |
| Yamada, Manabu Browse this author →KAKEN DB |
| Yamada, Tetsuya Browse this author |
| Yamamoto, Yukio Browse this author →KAKEN DB |
| Yano, Hajime Browse this author →KAKEN DB |
| Yokota, Yasuhiro Browse this author →KAKEN DB |
| Chaussidon, Marc Browse this author |
| Yoshihara, Keisuke Browse this author |
| Yoshikawa, Makoto Browse this author →KAKEN DB |
| Yoshikawa, Kent Browse this author |
| Furuya, Shizuho Browse this author |
| Hatakeda, Kentaro Browse this author |
| Hayashi, Tasuku Browse this author |
| Hitomi, Yuya Browse this author |
| Kumagai, Kazuya Browse this author |
| Miyazaki, Akiko Browse this author |
| Nakato, Aiko Browse this author |
| Choi, Byeon-Gak Browse this author |
| Nishimura, Masahiro Browse this author |
| Soejima, Hiromichi Browse this author |
| Suzuki, Ayako Browse this author |
| Yada, Toru Browse this author →KAKEN DB |
| Yamamoto, Daiki Browse this author |
| Yogata, Kasumi Browse this author |
| Yoshitake, Miwa Browse this author |
| Tachibana, Shogo Browse this author →KAKEN DB |
| Yurimoto, Hisayoshi Browse this author →KAKEN DB |
| Dauphas, Nicolas Browse this author |
| Davis, Andrew M. Browse this author |
| Di Rocco, Tommaso Browse this author |
| Fujiya, Wataru Browse this author →KAKEN DB |
| Fukai, Ryota Browse this author →KAKEN DB |
| Gautam, Ikshu Browse this author |
| Haba, Makiko K. Browse this author |
| Hibiya, Yuki Browse this author |
| Hidaka, Hiroshi Browse this author |
| Homma, Hisashi Browse this author |
| Hoppe, Peter Browse this author |
| Huss, Gary R. Browse this author |
| Ichida, Kiyohiro Browse this author |
| Iizuka, Tsuyoshi Browse this author →KAKEN DB |
| Ireland, Trevor R. Browse this author |
| Ishikawa, Akira Browse this author |
| Ito, Motoo Browse this author →KAKEN DB |
| Itoh, Shoichi Browse this author →KAKEN DB |
| Kawasaki, Noriyuki Browse this author →KAKEN DB |
| Kita, Noriko T. Browse this author |
| Kitajima, Kouki Browse this author |
| Kleine, Thorsten Browse this author |
| Komatani, Shintaro Browse this author |
| Krot, Alexander N. Browse this author |
| Liu, Ming-Chang Browse this author |
| Masuda, Yuki Browse this author |
| McKeegan, Kevin D. Browse this author |
| Morita, Mayu Browse this author |
| Motomura, Kazuko Browse this author |
| Moynier, Frederic Browse this author |
| Nguyen, Ann Browse this author |
| Nittler, Larry Browse this author |
| Onose, Morihiko Browse this author |
| Pack, Andreas Browse this author |
| Park, Changkun Browse this author |
| Piani, Laurette Browse this author |
| Qin, Liping Browse this author |
| Russell, Sara S. Browse this author |
| Sakamoto, Naoya Browse this author |
| Schoenbaechler, Maria Browse this author |
| Tafla, Lauren Browse this author |
| Tang, Haolan Browse this author |
| Terada, Kentaro Browse this author →KAKEN DB |
| Terada, Yasuko Browse this author →KAKEN DB |
| Usui, Tomohiro Browse this author →KAKEN DB |
| Wada, Sohei Browse this author |
| Wadhwa, Meenakshi Browse this author |
| Walker, Richard J. Browse this author |
| Yamashita, Katsuyuki Browse this author →KAKEN DB |
| Yin, Qing-Zhu Browse this author |
| Yoneda, Shigekazu Browse this author →KAKEN DB |
| Yui, Hiroharu Browse this author →KAKEN DB |
| Zhang, Ai-Cheng Browse this author |
| Connolly Jr, Harold C. Browse this author |
| Lauretta, Dante S. Browse this author |
| Nakamura, Tomoki Browse this author →KAKEN DB |
| Naraoka, Hiroshi Browse this author →KAKEN DB |
| Noguchi, Takaaki Browse this author →KAKEN DB |
| Okazaki, Ryuji Browse this author →KAKEN DB |
| Sakamoto, Kanako Browse this author |
| Yabuta, Hikaru Browse this author →KAKEN DB |
| Abe, Masanao Browse this author →KAKEN DB |
| Arakawa, Masahiko Browse this author →KAKEN DB |
| Fujii, Atsushi Browse this author |
| Hayakawa, Masahiko Browse this author →KAKEN DB |
| Hirata, Naoyuki Browse this author →KAKEN DB |
| Hirata, Naru Browse this author →KAKEN DB |
| Honda, Rie Browse this author →KAKEN DB |
| Honda, Chikatoshi Browse this author →KAKEN DB |
| Hosoda, Satoshi Browse this author →KAKEN DB |
| Iijima, Yu-ichi Browse this author |
| Ikeda, Hitoshi Browse this author |
| Ishiguro, Masateru Browse this author |
| Ishihara, Yoshiaki Browse this author →KAKEN DB |
| Iwata, Takahiro Browse this author →KAKEN DB |
| Kawahara, Kosuke Browse this author |
| Kikuchi, Shota Browse this author |
| Kitazato, Kohei Browse this author →KAKEN DB |
| Matsumoto, Koji Browse this author |
| Matsuoka, Moe Browse this author |
| Michikami, Tatsuhiro Browse this author →KAKEN DB |
| Mimasu, Yuya Browse this author →KAKEN DB |
| Miura, Akira Browse this author |
| Morota, Tomokatsu Browse this author →KAKEN DB |
| Nakazawa, Satoru Browse this author |
| Issue Date: | 2023 |
| Publisher: | The American Association for the Advancement of Science（AAAS） |
| Journal Title: | Science |
| Volume: | 379 |
| Issue: | 6634 |
| Start Page: | 786 |
| End Page: | + |
| Publisher DOI: | 10.1126/science.abn7850 |
| Abstract: | Carbonaceous meteorites are thought to be fragments of C-type (carbonaceous) asteroids. Samples of the C-type asteroid (162173) Ryugu were retrieved by the Hayabusa2 spacecraft. We measured the mineralogy and bulk chemical and isotopic compositions of Ryugu samples. The samples are mainly composed of materials similar to those of carbonaceous chondrite meteorites, particularly the CI (Ivuna-type) group. The samples consist predominantly of minerals formed in aqueous fluid on a parent planetesimal. The primary minerals were altered by fluids at a temperature of 37 degrees +/- 10 degrees C, about 5.2(-0.7)(+0.8) million (statistical) or 5.2(-2.1)(+1.6) million (systematic) years after the formation of the first solids in the Solar System. After aqueous alteration, the Ryugu samples were likely never heated above similar to 100 degrees C. The samples have a chemical composition that more closely resembles that of the Sun's photosphere than other natural samples do. |
| Rights: | This is the author’s version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science on Vol 379, Issue 6634 and 9 Jun 2022, DOI: 10.1126/science.abn7850 |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/90313 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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