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Article Dans Une Revue Science Advances Année : 2022

First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu

Ryuji Okazaki (1) , Yayoi Miura (2) , Yoshinori Takano (3) , Hirotaka Sawada (4) , Kanako Sakamoto (4) , Toru Yada (4) , Keita Yamada (5) , Shinsuke Kawagucci (3) , Yohei Matsui (3) , Ko Hashizume (6) , Akizumi Ishida (7) , Michael Broadley (8) , Bernard Marty (8) , David Byrne (8) , Evelyn Füri (8) , Alex Meshik (9) , Olga Pravdivtseva (9) , Henner Busemann (10) , My E.I. Riebe (10) , Jamie Gilmour (11) , Jisun Park (12, 13) , Ken-Ichi Bajo (14) , Kevin Righter (15) , Saburo Sakai (3) , Shun Sekimoto (16) , Fumio Kitajima (1) , Sarah Crowther (11) , Naoyoshi Iwata (17) , Naoki Shirai (18, 19) , Mitsuru Ebihara (18) , Reika Yokochi (20) , Kunihiko Nishiizumi (21) , Keisuke Nagao (22) , Jong Ik Lee (22) , Patricia Clay (11) , Akihiro Kano (2) , Marc Caffee (23) , Ryu Uemura (24) , Makoto Inagaki (16) , Daniela Krietsch (10) , Colin Maden (10) , Mizuki Yamamoto (1) , Lydia Fawcett (11) , Thomas Lawton (11) , Tomoki Nakamura (7) , Hiroshi Naraoka (1) , Takaaki Noguchi (16) , Hikaru Yabuta (25) , Hisayoshi Yurimoto (14) , Yuichi Tsuda (4) , Sei-Ichiro Watanabe (24) , Masanao Abe (4) , Masahiko Arakawa (26) , Atsushi Fujii (4) , Masahiko Hayakawa (4) , Naoyuki Hirata (26) , Naru Hirata (27) , Rie Honda (28) , Chikatoshi Honda (27) , Satoshi Hosoda (4) , Yu-Ichi Iijima (4) , Hitoshi Ikeda (4) , Masateru Ishiguro (29) , Yoshiaki Ishihara (4) , Takahiro Iwata (4) , Kosuke Kawahara (4) , Shota Kikuchi (30, 31) , Kohei Kitazato (27) , Koji Matsumoto (32, 31) , Moe Matsuoka (33) , Tatsuhiro Michikami (34) , Yuya Mimasu (4) , Akira Miura (4) , Tomokatsu Morota (2) , Satoru Nakazawa (4) , Noriyuki Namiki (32, 31) , Hirotomo Noda (32, 31) , Rina Noguchi (35) , Naoko Ogawa (4) , Kazunori Ogawa (4) , Tatsuaki Okada (4, 2) , Chisato Okamoto (26) , Go Ono (4) , Masanobu Ozaki (4, 32) , Takanao Saiki (4, 32) , Naoya Sakatani (36) , Hiroki Senshu (30) , Yuri Shimaki (4) , Kei Shirai (4, 26) , Seiji Sugita (2) , Yuto Takei (4) , Hiroshi Takeuchi (4) , Satoshi Tanaka (4) , Eri Tatsumi (2, 37) , Fuyuto Terui (38) , Ryudo Tsukizaki (4) , Koji Wada (30) , Manabu Yamada (30) , Tetsuya Yamada (4) , Yukio Yamamoto (4) , Hajime Yano (4, 32) , Yasuhiro Yokota (4) , Keisuke Yoshihara (4) , Makoto Yoshikawa (32, 4) , Kent Yoshikawa (4) , Shizuho Furuya (4) , Kentaro Hatakeda (39) , Tasuku Hayashi (4) , Yuya Hitomi (39) , Kazuya Kumagai (39) , Akiko Miyazaki (4) , Aiko Nakato (4) , Masahiro Nishimura (4) , Hiromichi Soejima (39) , Ayako Iwamae (39) , Daiki Yamamoto (4, 5) , Kasumi Yogata (4) , Miwa Yoshitake (4) , Ryota Fukai (4) , Tomohiro Usui (4) , Trevor Ireland (40) , Harold Connolly (41) , Dante Lauretta (42) , Shogo Tachibana (2)
1 Kyushu University
2 UTokyo - The University of Tokyo
3 JAMSTEC - Japan Agency for Marine-Earth Science and Technology
4 JAXA - Japan Aerospace Exploration Agency [Sagamihara]
5 TITECH - Tokyo Institute of Technology [Tokyo]
6 Ibaraki University
7 Tohoku University [Sendai]
8 CRPG - Centre de Recherches Pétrographiques et Géochimiques
9 WUSTL - Washington University in Saint Louis
10 ETH Zürich - Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich]
11 University of Manchester [Manchester]
12 CUNY - City University of New York [New York]
13 AMNH - American Museum of Natural History [New York, USA] = Musée américain d'histoire naturelle [New York, USA]
14 Hokkaido University [Sapporo, Japan]
15 NASA
16 Kyoto University
17 Yamagata University
18 TMU - Tokyo Metropolitan University [Tokyo]
19 Kanagawa University
20 University of Chicago
21 UC Berkeley - University of California [Berkeley]
22 KOPRI - Korea Polar Research Institute
23 Purdue University [West Lafayette]
24 Nagoya University
25 Hiroshima University
26 Kobe University
27 UoA - University of Aizu [Japan]
28 Ehime University [Matsuyama, Japon]
29 SNU - Seoul National University [Seoul]
30 CIT - Chiba Institute of Technology
31 NAOJ - National Astronomical Observatory of Japan
32 SOKENDAI - Graduate University for Advanced Studies [Hayama]
33 AIST - National Institute of Advanced Industrial Science and Technology
34 Kindai University
35 Niigata University
36 Rikkyo University [Tokyo]
37 IAC - Instituto de Astrofisica de Canarias
38 Kanagawa Institute of Technology
39 Marine Works Japan Ltd.
40 UQ [All campuses : Brisbane, Dutton Park Gatton, Herston, St Lucia and other locations] - The University of Queensland
41 Rowan University
42 University of Arizona
Ryuji Okazaki
  • Fonction : Auteur
Yayoi Miura
Keita Yamada
Ko Hashizume
Akizumi Ishida
Alex Meshik
Olga Pravdivtseva
Jamie Gilmour
Ken-Ichi Bajo
Kevin Righter
Shun Sekimoto
Fumio Kitajima
  • Fonction : Auteur
Sarah Crowther
Naoyoshi Iwata
Mitsuru Ebihara
Reika Yokochi
Jong Ik Lee
Marc Caffee
Ryu Uemura
Makoto Inagaki
Mizuki Yamamoto
Lydia Fawcett
Thomas Lawton
Tomoki Nakamura
Hiroshi Naraoka
Takaaki Noguchi
Hikaru Yabuta
Hisayoshi Yurimoto
Sei-Ichiro Watanabe
Masahiko Arakawa
Naoyuki Hirata
Naru Hirata
Rie Honda
Chikatoshi Honda
Masateru Ishiguro
Kohei Kitazato
Tatsuhiro Michikami
Tomokatsu Morota
Rina Noguchi
Chisato Okamoto
  • Fonction : Auteur
Go Ono
Naoya Sakatani
Hiroki Senshu
Seiji Sugita
Fuyuto Terui
Koji Wada
Manabu Yamada
Kentaro Hatakeda
Yuya Hitomi
Hiromichi Soejima
Ayako Iwamae
Trevor Ireland
Harold Connolly
Dante Lauretta
Shogo Tachibana

Résumé

The Hayabusa2 spacecraft returned to Earth from the asteroid 162173 Ryugu on 6 December 2020. One day after the recovery, the gas species retained in the sample container were extracted and measured on-site and stored in gas collection bottles. The container gas consists of helium and neon with an extraterrestrial 3He/4He and 20Ne/22 Ne ratios, along with some contaminant terrestrial atmospheric gases. A mixture of solar and Earth’s atmospheric gas is the best explanation for the container gas composition. Fragmentation of Ryugu grains within the sample container is discussed on the basis of the estimated amount of indigenous He and the size distribution of the recovered Ryugu grains. This is the first successful return of gas species from a near-Earth asteroid.
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Dates et versions

hal-03891781 , version 1 (12-12-2022)

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Ryuji Okazaki, Yayoi Miura, Yoshinori Takano, Hirotaka Sawada, Kanako Sakamoto, et al.. First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu. Science Advances , 2022, 8 (46), ⟨10.1126/sciadv.abo7239⟩. ⟨hal-03891781⟩
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