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Fingerprints of the protosolar cloud collapse in the Solar System: Refractory inclusions distribution and isotopic anomalies in meteorites

Abstract : Increasing evidences suggest that the building blocks of Ca-Al-rich inclusions (CAIs) could have formed with the Sun, during the collapse of the parent cloud. However, determination of the relative age of CAIs relies on the homogeneous distribution of their short-lived radionuclide 26Al that is used as a chronometer. Some CAIs show evidence of 26Al/27 Al variation that is independent of decay.
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Submitted on : Tuesday, February 22, 2022 - 4:27:40 PM
Last modification on : Friday, August 5, 2022 - 12:01:20 PM

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Francesco C. Pignatale, Emmanuel Jacquet, Marc Chaussidon, Sébastien Charnoz. Fingerprints of the protosolar cloud collapse in the Solar System: Refractory inclusions distribution and isotopic anomalies in meteorites. Laboratory Astrophysics: From Observations to Interpretation, 0000, à renseigner, Unknown Region. pp.100-102, ⟨10.1017/S1743921319007543⟩. ⟨insu-03584814⟩

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