Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

Yokoyama, Tetsuya; Nagashima, K.; Nakai, Izumi; Young, Edward; Abe, Yoshinari; Aléon, J.; M. O'd. Alexander, C.; Amari, S.; Amelin, Yuri; Bajo, Ken‐ichi; Bizzarro, Martin; Bouvier, Audrey; W. Carlson, Richard; Chaussidon, Marc; Choi, Byeon‐Gak; Dauphas, Nicolas; M. Davis, A.; Di Rocco, Tommaso; Fujiya, Wataru; Fukai, Ryota; Gautam, Ikshu; K. Haba, Makiko; Hibiya, Yuki; Hidaka, Hiroshi; Homma, Hisashi; Höppe, P.; R. Huss, G.; Ichida, Kiyohiro; Iizuka, Tsuyoshi; R. Ireland, T.; Ishikawa, Akira; Ito, Motoo; Itoh, Shoichi; Kawasaki, Noriyuki; T. Kita, N.; Kitajima, Kouki; Kleine, T.; Komatani, Shintaro; N. Krot, Alexander; Liu, Ming‐Chang; Masuda, Yuki; D. McKeegan, K.; Morita, Mayu; Motomura, Kazuko; Moynier, Frédéric; N. Nguyen, A.; R. Nittler, L.; Onose, Morihiko; Pack, Andreas; Park, Changkun; Piani, Laurette; Qin, Liping; S. Russell, S.; Sakamoto, Naoya; Schönbächler, Maria; Tafla, Lauren; Tang, Haolan; Terada, Kentaro; Terada, Yasuko; Usui, Tomohiro; Wada, Sohei; Wadhwa, M.; J. Walker, R.; Yamashita, Katsuyuki; Yin, Qing‐Zhu; Yoneda, Shigekazu; Yui, Hiroharu; Zhang, Ai‐Cheng; C. Connolly, H.; S. Lauretta, D.; Nakamura, Tomoki; Naraoka, Hiroshi; Noguchi, T.; Okazaki, Ryuji; Sakamoto, Kanako; Yabuta, Hikaru; Abe, Masanao; Arakawa, Masahiko; Fujii, Atsushi; Hayakawa, Masahiko; Hirata, Naoyuki; Hirata, Naru; Honda, Rie; Honda, Chikatoshi; Hosoda, S; Iijima, Yuichi; Ikeda, Hitoshi; Ishiguro, Masateru; Ishihara, Yoshiaki; Iwata, Takahiro; Kawahara, Kosuke; Kikuchi, Shota; Kitazato, K.; Matsumoto, Koji; Matsuoka, M.; 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; Sawada, Hirotaka; Senshu, Hiroki; Shimaki, Yuri; Shirai, K.; Sugita, Seiji; Takei, Yuto; Takeuchi, Hiroshi; Tanaka, Satoshi; Tatsumi, Eri; Terui, Fuyuto; Tsuda, Yuichi; Tsukizaki, Ryudo; Wada, Koji; Watanabe, Sei‐ichiro; Yamada, Manabu; Yamada, Tetsuya; Yamamoto, Yukio; Yano, Hajime; Yokota, Y.; Yoshihara, Keisuke; Yoshikawa, Makoto; Yoshikawa, Kent; Furuya, Shizuho; Hatakeda, Kentaro; Hayashi, Tasuku; Hitomi, Yuya; Kumagai, Kazuya; Miyazaki, Akiko; Nakato, Aiko; Nishimura, Masahiro; Soejima, Hiromichi; Suzuki, Ayako; Yada, Toru; Yamamoto, Daiki; Yogata, Kasumi; Yoshitake, Miwa; Tachibana, Shogo; Yurimoto, Hisayoshi

doi:10.1126/science.abn7850

Public

Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

Published in Science • Jun 9, 2022

Authors:

Tetsuya Yokoyama

K. Nagashima

Izumi Nakai

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 o...

Subject

Meteorite

Asteroid

Chondrite

Research Assistant

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