A primordial noble gas component discovered in the Ryugu asteroid and its implications.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
14 Sep 2024
14 Sep 2024
Historique:
received:
13
10
2023
accepted:
27
08
2024
medline:
15
9
2024
pubmed:
15
9
2024
entrez:
14
9
2024
Statut:
epublish
Résumé
Ryugu is the C-type asteroid from which material was brought to Earth by the Hayabusa2 mission. A number of individual grains and fine-grained samples analysed so far for noble gases have indicated that solar wind and planetary (known as P1) noble gases are present in Ryugu samples with concentrations higher than those observed in CIs, suggesting the former to be more primitive compared to the latter. Here we present results of analyses of three fine-grained samples from Ryugu, in one of which Xe concentration is an order of magnitude higher than determined so far in other samples from Ryugu. Isotopically, this Xe resembles P1, but with a much stronger isotopic fractionation relative to solar wind and significantly lower
Identifiants
pubmed: 39277576
doi: 10.1038/s41467-024-52165-0
pii: 10.1038/s41467-024-52165-0
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
8075Investigateurs
Naoya Imae
(N)
Naoki Shirai
(N)
Kaoki Hirahara
(K)
Ikuya Sakurai
(I)
Ikuo Okado
(I)
Ross Findlay
(R)
James A Malley
(JA)
Xuchao Zhao
(X)
Cerdic Pilorget
(C)
Jean-Pierre Bebring
(JP)
Dambien Loizeau
(D)
John Carter
(J)
Lucie Riu
(L)
Tania Le Pivert-Jolivet
(T)
Katlyn McCain
(K)
Nozomi Matsuda
(N)
Informations de copyright
© 2024. Crown.
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