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Abundant presolar grains and primordial organics preserved in carbon-rich exogenous clasts in asteroid Ryugu
Preliminary analyses of asteroid Ryugu samples show kinship to aqueously altered CI (Ivuna-type) chondrites, suggesting similar origins. We report identification of C-rich, particularly primitive clasts in Ryugu samples that contain preserved presolar silicate grains and exceptional abundances of pr...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Association for the Advancement of Science
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10348677/ https://www.ncbi.nlm.nih.gov/pubmed/37450600 http://dx.doi.org/10.1126/sciadv.adh1003 |