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Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu.
Science 379:eabn9033 (2023)
The Hayabusa2 spacecraft collected samples from the surface of the carbonaceous near-Earth asteroid (162173) Ryugu and brought them to Earth. The samples were expected to contain organic molecules, which record processes that occurred in the early Solar System. We analyzed organic molecules extracted from the Ryugu surface samples. We identified a variety of molecules containing the atoms CHNOS, formed by methylation, hydration, hydroxylation, and sulfurization reactions. Amino acids, aliphatic amines, carboxylic acids, polycyclic aromatic hydrocarbons, and nitrogen-heterocyclic compounds were detected, which had properties consistent with an abiotic origin. These compounds likely arose from an aqueous reaction on Ryugu's parent body and are similar to the organics in Ivuna-type meteorites. These molecules can survive on the surfaces of asteroids and be transported throughout the Solar System.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Typ der Hochschulschrift
Herausgeber
Schlagwörter
Monocarboxylic Acids; Aliphatic-amines; Murchison Meteorite; Parent Body; Interstellar; Chondrite; Hydrocarbons; Evolution; Emission; Origins
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2023
Prepublished im Jahr
0
HGF-Berichtsjahr
2023
ISSN (print) / ISBN
0036-8075
e-ISSN
1095-9203
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Band: 379,
Heft: 6634,
Seiten: ,
Artikelnummer: eabn9033
Supplement: ,
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American Association for the Advancement of Science (AAAS)
Verlagsort
1200 New York Ave, Nw, Washington, Dc 20005 Usa
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0000-00-00
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Prüfer
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Veröffentlichungsdatum
0000-00-00
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0000-00-00
Anmelder/Inhaber
weitere Inhaber
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Begutachtungsstatus
Peer reviewed
POF Topic(s)
30202 - Environmental Health
Forschungsfeld(er)
Environmental Sciences
PSP-Element(e)
G-504800-001
Förderungen
Copyright
Erfassungsdatum
2023-03-01