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Noble Gases and Nitrogen in Samples of Asteroid Ryugu Record Its Volatile Sources and Recent Surface EvolutionThe Hayabusa2 spacecraft retrieved surface and subsurface samples from the carbonaceous near-Earth asteroid (162173) Ryugu, which was expected to be enriched in volatile species. The samples were collected from two locations, one undisturbed surface and the other including material excavated by an artificial impact. Unlike meteorites, these samples have experienced minimal alteration by Earth’s atmosphere. Ryugu is thought to have formed from material ejected (by an impact) from a parent body, which had experienced aqueous alteration (reactions with liquid water) ~4.56 billion years (Gyr) ago. Ryugu’s orbit later migrated from the main asteroid belt to become a near-Earth asteroid.
Document ID
20220015066
Acquisition Source
Johnson Space Center
Document Type
Accepted Manuscript (Version with final changes)
Authors
Ryuji Okazaki ORCID(Kyushu University Fukuoka, Japan)
Bernard Marty ORCID(University of Lorraine Nancy, France)
Henner Busemann ORCID(ETH Zurich Zurich, Switzerland)
Ko Hashizume ORCID(Ibaraki University Ibaraki, Japan)
Jamie D. Gilmour ORCID(University of Manchester Manchester, Manchester, United Kingdom)
Alex Meshik ORCID(Washington University in St. Louis St Louis, Missouri, United States)
Toru Yada ORCID(Japan Aerospace Exploration Agency Tokyo, Japan)
Fumio Kitajima (Kyushu University Fukuoka, Japan)
Michael W. Broadley ORCID(University of Lorraine Nancy, France)
David Byrne ORCID(University of Lorraine Nancy, France)
Evelyn Furi ORCID(University of Lorraine Nancy, France)
My E.I. Riebe ORCID(ETH Zurich Zurich, Switzerland)
Daniela Krietsch ORCID(ETH Zurich Zurich, Switzerland)
Colin Maden ORCID(ETH Zurich Zurich, Switzerland)
Akizumi Ishida ORCID(Tohoku University Sendai, Japan)
Patricia Clay (University of Manchester Manchester, Manchester, United Kingdom)
Sarah A. Crowther ORCID(University of Manchester Manchester, Manchester, United Kingdom)
Lydia Fawcett ORCID(University of Manchester Manchester, Manchester, United Kingdom)
Thomas Lawton ORCID(University of Manchester Manchester, Manchester, United Kingdom)
Olga Pravdivtseva ORCID(Washington University in St. Louis St Louis, Missouri, United States)
Yayoi N. Miura ORCID(University of Tokyo Tokyo, Japan)
Jisun Park ORCID(Kingsborough Community College Brooklyn, New York, United States)
Ken-ichi Bajo ORCID(Hokkaido University Sapporo, Hokkaidô, Japan)
Yoshinori Takano ORCID(Japan Agency for Marine-Earth Science and Technology Yokosuka, Japan)
Keita Yamada ORCID(Tokyo Institute of Technology Tokyo, Tôkyô, Japan)
Shinsuke Kawagucci ORCID(Kyushu University Fukuoka, Japan)
Yohei Matsui ORCID(Japan Agency for Marine-Earth Science and Technology Yokosuka, Japan)
Mizuki Yamamoto ORCID(Japan Agency for Marine-Earth Science and Technology Yokosuka, Japan)
Kevin Righter ORCID(Johnson Space Center Houston, Texas, United States)
Saburo Sakai ORCID(Japan Agency for Marine-Earth Science and Technology Yokosuka, Japan)
Naoyoshi Iwata ORCID(Yamagata University Yamagata, Japan)
Naoki Shirai ORCID(Tokyo Metropolitan University Tokyo, Tôkyô, Japan)
Shun Sekimoto ORCID(Kyoto University Kyoto, Japan)
Makoto Inagaki ORCID(Kyoto University Kyoto, Japan)
Mitsuru Ebihara ORCID(Waseda University Tokyo, Japan)
Date Acquired
October 5, 2022
Publication Date
October 20, 2022
Publication Information
Publication: Science
Publisher: American Association for the Advancement of Science
Volume: 379
Issue: 6634
Issue Publication Date: February 24, 2023
ISSN: 0036-8075
e-ISSN: 1095-9203
DOI: 10.1126/science.abo0431
Subject Category
Lunar And Planetary Science And Exploration
Funding Number(s)
WBS: 811073
CONTRACT_GRANT: JSPS KAKENHI JP19H01959
CONTRACT_GRANT: JSPS KAKENHI JP20H05846
CONTRACT_GRANT: PHOTONIS 695618
CONTRACT_GRANT: VOLATILIS 715028
CONTRACT_GRANT: Swiss NSF grants 200020_182649
CONTRACT_GRANT: Swiss NSF 51NF40-182901
CONTRACT_GRANT: Swiss NSF PZ00P2_193331
CONTRACT_GRANT: STFC ST/R000751/1
CONTRACT_GRANT: STFC ST/V000675/1
CONTRACT_GRANT: UKRI FLF MR/S03465X/1
CONTRACT_GRANT: KAKENHI JP20H00190
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.
Technical Review
Single Expert
Keywords
volatile
solar nebula
asteroid

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