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Article Dans Une Revue Science Année : 2023

Macromolecular organic matter in samples of the asteroid (162173) Ryugu

Hikaru Yabuta , George D Cody , Cécile Engrand (1) , Yoko Kebukawa , Bradley de Gregorio , Lydie Bonal , Laurent Remusat (2) , Rhonda Stroud , Eric Quirico , Larry Nittler , Minako Hashiguchi , Mutsumi Komatsu , Taiga Okumura , Jérémie Mathurin (3) , Emmanuel Dartois (4) , Jean Duprat , Yoshio Takahashi , Yasuo Takeichi , David Kilcoyne , Shohei Yamashita , Alexandre Dazzi (3) , Ariane Deniset-Besseau (3) , Scott Sandford , Zita Martins , Yusuke Tamenori , Takuji Ohigashi , Hiroki Suga , Daisuke Wakabayashi , Maximilien Verdier-Paoletti , Smail Mostefaoui , Gilles Montagnac , Jens Barosch , Kanami Kamide , Miho Shigenaka , Laure Bejach (1) , Megumi Matsumoto , Yuma Enokido , Takaaki Noguchi , Hisayoshi Yurimoto , Tomoki Nakamura , Ryuji Okazaki , Hiroshi Naraoka , Kanako Sakamoto , Harold C Connolly , Dante S Lauretta , Masanao Abe , Tatsuaki Okada , Toru Yada , Masahiro Nishimura , Kasumi Yogata , Aiko Nakato , Miwa Yoshitake , Ayako Iwamae , Shizuho Furuya , Kentaro Hatakeda , Akiko Miyazaki , Hiromichi Soejima , Yuya Hitomi , Kazuya Kumagai , Tomohiro Usui , Tasuku Hayashi , Daiki Yamamoto , Ryota Fukai , Seiji Sugita , Kohei Kitazato , Naru Hirata , Rie Honda , Tomokatsu Morota , Eri Tatsumi , Naoya Sakatani , Noriyuki Namiki , Koji Matsumoto , Rina Noguchi , Koji Wada , Hiroki Senshu , Kazunori Ogawa , Yasuhiro Yokota , Yoshiaki Ishihara , Yuri Shimaki , Manabu Yamada , Chikatoshi Honda , Tatsuhiro Michikami , Moe Matsuoka , Naoyuki Hirata , Masahiko Arakawa , Chisato Okamoto , Masateru Ishiguro , Ralf Jaumann , Jean-Pierre Bibring , Matthias Grott , Stefan Schröder , Katharina Otto , Cedric Pilorget , Nicole Schmitz , Jens Biele , Tra-Mi Ho , Aurélie Moussi-Soffys , Akira Miura , Hirotomo Noda , Tetsuya Yamada , Keisuke Yoshihara , Kosuke Kawahara , Hitoshi Ikeda , Yukio Yamamoto , Kei Shirai , Shota Kikuchi , Naoko Ogawa , Hiroshi Takeuchi , Go Ono , Yuya Mimasu , Kent Yoshikawa , Yuto Takei , Atsushi Fujii , Yu-Ichi Iijima , Satoru Nakazawa , Satoshi Hosoda , Takahiro Iwata , Masahiko Hayakawa , Hirotaka Sawada , Hajime Yano , Ryudo Tsukizaki , Masanobu Ozaki , Fuyuto Terui , Satoshi Tanaka , Masaki Fujimoto , Makoto Yoshikawa , Takanao Saiki , Shogo Tachibana , Sei-Ichiro Watanabe , Yuichi Tsuda
Hikaru Yabuta
George D Cody
Yoko Kebukawa
Bradley de Gregorio
Lydie Bonal
Rhonda Stroud
Eric Quirico
Larry Nittler
Minako Hashiguchi
Mutsumi Komatsu
Taiga Okumura
Jérémie Mathurin
Jean Duprat
  • Fonction : Auteur
Yoshio Takahashi
Yasuo Takeichi
David Kilcoyne
Shohei Yamashita
  • Fonction : Auteur
Alexandre Dazzi
Ariane Deniset-Besseau
Scott Sandford
Zita Martins
Yusuke Tamenori
Takuji Ohigashi
  • Fonction : Auteur
Hiroki Suga
Daisuke Wakabayashi
Maximilien Verdier-Paoletti
Smail Mostefaoui
  • Fonction : Auteur
Gilles Montagnac
Jens Barosch
  • Fonction : Auteur
Kanami Kamide
  • Fonction : Auteur
Miho Shigenaka
  • Fonction : Auteur
Megumi Matsumoto
Yuma Enokido
Takaaki Noguchi
Hisayoshi Yurimoto
Tomoki Nakamura
Ryuji Okazaki
Hiroshi Naraoka
Kanako Sakamoto
Harold C Connolly
Dante S Lauretta
Masanao Abe
Tatsuaki Okada
Toru Yada
Masahiro Nishimura
Kasumi Yogata
Aiko Nakato
Miwa Yoshitake
Ayako Iwamae
Shizuho Furuya
Kentaro Hatakeda
Akiko Miyazaki
Hiromichi Soejima
Yuya Hitomi
Kazuya Kumagai
  • Fonction : Auteur
Tomohiro Usui
Tasuku Hayashi
Daiki Yamamoto
Ryota Fukai
Seiji Sugita
Kohei Kitazato
Naru Hirata
Rie Honda
Tomokatsu Morota
Eri Tatsumi
Naoya Sakatani
Noriyuki Namiki
Koji Matsumoto
Rina Noguchi
Koji Wada
Hiroki Senshu
Kazunori Ogawa
Yasuhiro Yokota
Yoshiaki Ishihara
Yuri Shimaki
Manabu Yamada
Chikatoshi Honda
Tatsuhiro Michikami
Moe Matsuoka
Naoyuki Hirata
Masahiko Arakawa
Chisato Okamoto
  • Fonction : Auteur
Masateru Ishiguro
Ralf Jaumann
Jean-Pierre Bibring
  • Fonction : Auteur
Matthias Grott
Stefan Schröder
Katharina Otto
Cedric Pilorget
Nicole Schmitz
Jens Biele
Tra-Mi Ho
Aurélie Moussi-Soffys
Akira Miura
Hirotomo Noda
Tetsuya Yamada
Keisuke Yoshihara
Kosuke Kawahara
Hitoshi Ikeda
Yukio Yamamoto
Kei Shirai
Shota Kikuchi
Naoko Ogawa
Hiroshi Takeuchi
Go Ono
Yuya Mimasu
Kent Yoshikawa
Yuto Takei
Atsushi Fujii
Yu-Ichi Iijima
  • Fonction : Auteur
Satoru Nakazawa
Satoshi Hosoda
Takahiro Iwata
Masahiko Hayakawa
Hirotaka Sawada
Hajime Yano
Ryudo Tsukizaki
Masanobu Ozaki
Fuyuto Terui
Satoshi Tanaka
Masaki Fujimoto
Makoto Yoshikawa
Takanao Saiki
Shogo Tachibana
Sei-Ichiro Watanabe
Yuichi Tsuda

Résumé

INTRODUCTION: Organic compounds in asteroids and comets contain information about the early history of the Solar System. They could also have delivered organic material to early Earth. The Hayabusa2 spacecraft visited the carbonaceous asteroid Ryugu and collected samples of its surface materials, which were brought to Earth in December 2020. RATIONALE: We investigated the macromolecular organic matter in the Ryugu samples, measuring its elemental, isotopic, and functional group compositions along with its small-scale structures and morphologies. Analytical methods used included spectro-microscopies, electron microscopy, and isotopic microscopy. We examined intact Ryugu grains and insoluble carbonaceous residues isolated by acid treatment of the Ryugu samples. RESULTS: Organic matter is abundant in the Ryugu grains, distributed as submicrometersized organic grains and as organic matter dispersed in matrix. The Ryugu organic matter consists of aromatic carbons, aliphatic carbons, ketones, and carboxyls. The functional group
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Dates et versions

hal-04034418 , version 1 (21-03-2023)

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Citer

Hikaru Yabuta, George D Cody, Cécile Engrand, Yoko Kebukawa, Bradley de Gregorio, et al.. Macromolecular organic matter in samples of the asteroid (162173) Ryugu. Science, 2023, 379 (6634), pp.eabn9057. ⟨10.1126/science.abn9057⟩. ⟨hal-04034418⟩
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