An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime | Zendy

Masahiko Arakawa | Zendy; Takanao Saiki | Zendy; Koji Wada | Zendy; Kazunori Ogawa | Zendy; T. Kadono | Zendy; K. Shirai | Zendy; Hirotaka Sawada | Zendy; Ko Ishibashi | Zendy; Rie Honda | Zendy; Naoya Sakatani | Zendy; Y. Iijima | Zendy; Chisato Okamoto | Zendy; Hajime Yano | Zendy; Y. Takagi | Zendy; Masahiko Hayakawa | Zendy; Patrick Michel | Zendy; Martin Jutzi | Zendy; Yuri Shimaki | Zendy; Shinichi Kimura | Zendy; Yuya Mimasu | Zendy; Tomoaki Toda | Zendy; Hiroshi IMAMURA | Zendy; Satoru Nakazawa | Zendy; H. Hayakawa | Zendy; Seiji Sugita | Zendy; Tomokatsu Morota | Zendy; Shingo Kameda | Zendy; Eri Tatsumi | Zendy; Yuichiro Cho | Zendy; Kazuo Yoshioka | Zendy; Y. Yokota | Zendy; M. Matsuoka | Zendy; Manabu Yamada | Zendy; Toru Kouyama | Zendy; Chikatoshi Honda | Zendy; Yuichi Tsuda | Zendy; Seiichiro Watanabe | Zendy; Makoto Yoshikawa | Zendy; Satoshi Tanaka | Zendy; Fuyuto Terui | Zendy; Shota Kikuchi | Zendy; Tomohiro Yamaguchi | Zendy; Naoko Ogawa | Zendy; Go Ono | Zendy; Kent Yoshikawa | Zendy; T. Takahashi | Zendy; Yuto Takei | Zendy; Atsushi Fujii | Zendy; Hiroshi Takeuchi | Zendy; Yukio Yamamoto | Zendy; Tatsuaki Okada | Zendy; Chikako Hirose | Zendy; S Hosoda | Zendy; Osamu Mori | Zendy; Takanobu Shimada | Zendy; Stefania Soldini | Zendy; Ryudo Tsukizaki | Zendy; Takahiro Iwata | Zendy; Masanobu Ozaki | Zendy; Masanao Abe | Zendy; Noriyuki Namiki | Zendy; K. Kitazato | Zendy; Shogo Tachibana | Zendy; Hitoshi Ikeda | Zendy; Naru Hirata | Zendy; N. Hirata | Zendy; Rioguchi | Zendy; Akira Miura | Zendy

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An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime

Author(s) -

Masahiko Arakawa,

Takanao Saiki,

Koji Wada,

Kazunori Ogawa,

T. Kadono,

K. Shirai,

Hirotaka Sawada,

Ko Ishibashi,

Rie Honda,

Naoya Sakatani,

Y. Iijima,

Chisato Okamoto,

Hajime Yano,

Y. Takagi,

Masahiko Hayakawa,

Patrick Michel,

Martin Jutzi,

Yuri Shimaki,

Shinichi Kimura,

Yuya Mimasu,

Tomoaki Toda,

Hiroshi IMAMURA,

Satoru Nakazawa,

H. Hayakawa,

Seiji Sugita,

Tomokatsu Morota,

Shingo Kameda,

Eri Tatsumi,

Yuichiro Cho,

Kazuo Yoshioka,

Y. Yokota,

M. Matsuoka,

Manabu Yamada,

Toru Kouyama,

Chikatoshi Honda,

Yuichi Tsuda,

Seiichiro Watanabe,

Makoto Yoshikawa,

Satoshi Tanaka,

Fuyuto Terui,

Shota Kikuchi,

Tomohiro Yamaguchi,

Naoko Ogawa,

Go Ono,

Kent Yoshikawa,

T. Takahashi,

Yuto Takei,

Atsushi Fujii,

Hiroshi Takeuchi,

Yukio Yamamoto,

Tatsuaki Okada,

Chikako Hirose,

S Hosoda,

Osamu Mori,

Takanobu Shimada,

Stefania Soldini,

Ryudo Tsukizaki,

Takahiro Iwata,

Masanobu Ozaki,

Masanao Abe,

Noriyuki Namiki,

K. Kitazato,

Shogo Tachibana,

Hitoshi Ikeda,

Naru Hirata,

N. Hirata,

Rioguchi,

Akira Miura

Publication year - 2020

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aaz1701

Subject(s) - ejecta , impact crater , rubble , asteroid , geology , astrobiology , deposition (geology) , geotechnical engineering , geomorphology , physics , astronomy , supernova , sediment

Blowing a crater in asteroid Ryugu The Hayabusa2 spacecraft was designed to collect samples from the nearby asteroid (162173) Ryugu and return them to Earth for laboratory analysis. Arakawaet al. describe how the spacecraft's Small Carry-on Impactor was fired into the asteroid's surface, producing an artificial impact crater. Analysis of the resulting plume of ejecta, recorded by a remote camera, sets an upper limit on the strength of the rubble-pile surface. The crater has a semicircular shape, probably due to a large boulder buried close to the impact location. The crater exposed material from Ryugu's subsurface, which has not been subjected to space weathering, that is suitable for collection by Hayabusa2.Science , this issue p.67

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