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| Title: | First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu |
| Authors: | Okazaki, Ryuji Miura, Yayoi N. Takano, Yoshinori Sawada, Hirotaka Sakamoto, Kanako Yada, Toru Yamada, Keita Kawagucci, Shinsuke Matsui, Yohei Hashizume, Ko Ishida, Akizumi Broadley, Michael W. Marty, Bernard Byrne, David Füri, Evelyn Meshik, Alex Pravdivtseva, Olga Busemann, Henner Riebe, My E.I. Gilmour, Jamie Park, Jisun Bajo, Ken-ichi Righter, Kevin Sakai, Saburo Sekimoto, Shun Kitajima, Fumio Crowther, Sarah A. Iwata, Naoyoshi Shirai, Naoki Ebihara, Mitsuru Yokochi, Reika Nishiizumi, Kunihiko Nagao, Keisuke Lee, Jong Ik Clay, Patricia Kano, Akihiro Caffee, Marc W. Uemura, Ryu Inagaki, Makoto    https://orcid.org/0000-0001-7268-7962 (unconfirmed)Krietsch, Daniela Maden, Colin Yamamoto, Mizuki Fawcett, Lydia Lawton, Thomas Nakamura, Tomoki Naraoka, Hiroshi Noguchi, Takaaki Yabuta, Hikaru Yurimoto, Hisayoshi Tsuda, Yuichi Watanabe, Sei-ichiro Abe, Masanao Arakawa, Masahiko Fujii, Atsushi Hayakawa, Masahiko Hirata, Naoyuki Hirata, Naru Honda, Rie Honda, Chikatoshi Hosoda, Satoshi Iijima, Yu-ichi Ikeda, Hitoshi Ishiguro, Masateru Ishihara, Yoshiaki Iwata, Takahiro Kawahara, Kosuke Kikuchi, Shota Kitazato, Kohei Matsumoto, Koji Matsuoka, Moe Michikami, Tatsuhiro Mimasu, Yuya Miura, Akira Morota, Tomokatsu Nakazawa, Satoru Namiki, Noriyuki Noda, Hirotomo Noguchi, Rina Ogawa, Naoko Ogawa, Kazunori Okada, Tatsuaki Okamoto, Chisato Ono, Go Ozaki, Masanobu Saiki, Takanao Sakatani, Naoya Senshu, Hiroki Shimaki, Yuri Shirai, Kei Sugita, Seiji Takei, Yuto Takeuchi, Hiroshi Tanaka, Satoshi Tatsumi, Eri Terui, Fuyuto Tsukizaki, Ryudo Wada, Koji Yamada, Manabu Yamada, Tetsuya Yamamoto, Yukio Yano, Hajime Yokota, Yasuhiro Yoshihara, Keisuke Yoshikawa, Makoto Yoshikawa, Kent Furuya, Shizuho Hatakeda, Kentaro Hayashi, Tasuku Hitomi, Yuya Kumagai, Kazuya Miyazaki, Akiko Nakato, Aiko Nishimura, Masahiro Soejima, Hiromichi Iwamae, Ayako Yamamoto, Daiki Yogata, Kasumi Yoshitake, Miwa Fukai, Ryota Usui, Tomohiro Ireland, Trevor Connolly, Harold C. Lauretta, Dante S. Tachibana, Shogo |
| Author's alias: | 岡崎, 隆司 三浦, 弥生 高野, 淑識 澤田, 弘崇 坂本, 佳奈子 矢田, 達 山田, 桂太 川口, 慎介 松井, 洋平 橋爪, 光 石田, 章純 馬上, 謙一 坂井, 三郎 関本, 俊 北島, 富美雄 岩田, 尚能 白井, 直樹 海老原, 充 狩野, 彰宏 植村, 立 稲垣, 誠 山本, 瑞月 中村, 智樹 奈良岡, 浩 野口, 高明 薮田, ひかる 圦本, 尚義 津田, 雄一 渡邊, 誠一郎 安部, 正真 荒川, 政彦 藤井, 淳 早川, 雅彦 平田, 直之 平田, 成 本田, 理恵 本田, 親寿 細田, 聡史 飯島, 祐一 池田, 人 石原, 吉明 岩田, 隆浩 川原, 康介 菊地, 翔太 北里, 宏平 松本, 晃治 松岡, 萌 道上, 達広 三桝, 裕也 三浦, 昭 諸田, 智克 中澤, 暁 竝木, 則行 野田, 寛大 野口, 里奈 尾川, 順子 小川, 和律 岡田, 達明 岡本, 千里 大野, 剛 尾崎, 正伸 佐伯, 孝尚 坂谷, 尚哉 千秋, 博紀 嶌生, 有理 白井, 慶. 杉田, 精司 武井, 悠人 竹内, 央 田中, 智 巽, 瑛理 照井, 冬人 月崎, 竜童 和田, 浩二 山田, 学 山田, 哲哉 山本, 幸生 矢野, 創 横田, 康弘 吉原, 圭介 吉川, 真 吉川, 健人 古屋, 静萌 畠田, 健太朗 林, 佑 人見, 勇矢 熊谷, 和也 宮崎, 明子 中藤, 亜衣子 西村, 征洋 副島, 広道 岩前, 絢子 山本, 大貴 与賀田, 佳澄 吉武, 美和 深井, 稜汰 臼井, 寛裕 橘, 省吾 |
| Issue Date: | Nov-2022 |
| Publisher: | American Association for the Advancement of Science (AAAS) |
| Journal title: | Science Advances |
| Volume: | 8 |
| Issue: | 46 |
| Thesis number: | eabo7239 |
| Abstract: | 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/²²Ne 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. |
| Description: | 「はやぶさ2」ミッションによる世界初の小惑星からのガスサンプル：リュウグウからのたまて箱. 京都大学プレスリリース. 2022-10-21. |
| Rights: | Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY). This is an open-access article distributed under the terms of the Creative Commons Attribution license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
| URI: | http://hdl.handle.net/2433/277420 |
| DOI(Published Version): | 10.1126/sciadv.abo7239 |
| PubMed ID: | 36264781 |
| Related Link: | https://www.kyoto-u.ac.jp/ja/research-news/2022-10-21-3 |
| Appears in Collections: | Journal Articles |
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