| Literature DB >> 35679354 |
Tetsuya Yokoyama1, Kazuhide Nagashima2, Izumi Nakai3, Edward D Young4, Yoshinari Abe5, Jérôme Aléon6, Conel M O'D Alexander7, Sachiko Amari8, Yuri Amelin9, Ken-Ichi Bajo10, Martin Bizzarro11, Audrey Bouvier12, Richard W Carlson7, Marc Chaussidon13, Byeon-Gak Choi14, Nicolas Dauphas15, Andrew M Davis15, Tommaso Di Rocco16, Wataru Fujiya17, Ryota Fukai18, Ikshu Gautam1, Makiko K Haba1, Yuki Hibiya19, Hiroshi Hidaka20, Hisashi Homma21, Peter Hoppe22, Gary R Huss2, Kiyohiro Ichida23, Tsuyoshi Iizuka24, Trevor R Ireland25, Akira Ishikawa1, Motoo Ito26, Shoichi Itoh27, Noriyuki Kawasaki10, Noriko T Kita28, Kouki Kitajima28, Thorsten Kleine29, Shintaro Komatani23, Alexander N Krot2, Ming-Chang Liu4, Yuki Masuda1, Kevin D McKeegan4, Mayu Morita23, Kazuko Motomura30, Frédéric Moynier13, Ann Nguyen31, Larry Nittler7, Morihiko Onose23, Andreas Pack16, Changkun Park32, Laurette Piani33, Liping Qin34, Sara S Russell35, Naoya Sakamoto36, Maria Schönbächler37, Lauren Tafla4, Haolan Tang4, Kentaro Terada38, Yasuko Terada39, Tomohiro Usui18, Sohei Wada10, Meenakshi Wadhwa40, Richard J Walker41, Katsuyuki Yamashita42, Qing-Zhu Yin43, Shigekazu Yoneda44, Hiroharu Yui45, Ai-Cheng Zhang46, Harold C Connolly47, Dante S Lauretta48, Tomoki Nakamura49, Hiroshi Naraoka50, Takaaki Noguchi27, Ryuji Okazaki50, Kanako Sakamoto18, Hikaru Yabuta51, Masanao Abe18, Masahiko Arakawa52, Atsushi Fujii18, Masahiko Hayakawa18, Naoyuki Hirata52, Naru Hirata53, Rie Honda54, Chikatoshi Honda53, Satoshi Hosoda18, Yu-Ichi Iijima18, Hitoshi Ikeda18, Masateru Ishiguro14, Yoshiaki Ishihara18, Takahiro Iwata18,55, Kosuke Kawahara18, Shota Kikuchi56, Kohei Kitazato53, Koji Matsumoto57, Moe Matsuoka18, Tatsuhiro Michikami58, Yuya Mimasu18, Akira Miura18, Tomokatsu Morota24, Satoru Nakazawa18, Noriyuki Namiki57, Hirotomo Noda57, Rina Noguchi59, Naoko Ogawa18, Kazunori Ogawa18, Tatsuaki Okada18,60, Chisato Okamoto52, Go Ono18, Masanobu Ozaki18,55, Takanao Saiki18, Naoya Sakatani61, Hirotaka Sawada18, Hiroki Senshu56, Yuri Shimaki18, Kei Shirai18, Seiji Sugita24, Yuto Takei18, Hiroshi Takeuchi18, Satoshi Tanaka18, Eri Tatsumi62, Fuyuto Terui63, Yuichi Tsuda18, Ryudo Tsukizaki18, Koji Wada56, Sei-Ichiro Watanabe20, Manabu Yamada56, Tetsuya Yamada18, Yukio Yamamoto18, Hajime Yano18, Yasuhiro Yokota18, Keisuke Yoshihara18, Makoto Yoshikawa18, Kent Yoshikawa18, Shizuho Furuya18, Kentaro Hatakeda64, Tasuku Hayashi18, Yuya Hitomi64, Kazuya Kumagai64, Akiko Miyazaki18, Aiko Nakato18, Masahiro Nishimura18, Hiromichi Soejima64, Ayako Suzuki64, Toru Yada18, Daiki Yamamoto18, Kasumi Yogata18, Miwa Yoshitake18, Shogo Tachibana65, Hisayoshi Yurimoto10,36.
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 measure the mineralogy, bulk chemical and isotopic compositions of Ryugu samples. They are mainly composed of materials similar to 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 ± 10°C, [Formula: see text] (Stat.) [Formula: see text] (Syst.) million years after formation of the first solids in the Solar System. After aqueous alteration, the Ryugu samples were likely never heated above ~100°C. The samples have a chemical composition that more closely resembles the Sun's photosphere than other natural samples do.Entities:
Year: 2022 PMID： 35679354 DOI： 10.1126/science.abn7850
Source DB: PubMed Journal: Science ISSN： 0036-8075 Impact factor: 63.714