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Nucleosynthetic constraints on the origin of Bennu and CI-like asteroids

Maria Schönbächler, Mattias Ek, Manuela A. Fehr, Katarzyna M. Liszewska, Lara A. E. Meyer, Miriam Rüfenacht, James M. Ball, Paul Frossard, Jan H. Render, Quinn R. Shollenberger, Gregory A. Brennecka, Thomas S. Kruijer, Josh Wimpenny, Martin Bizzarro, Jessica J. M. Barnes, A. N. Nguyen

Peer-reviewed journalBold claims, read critically

In the authors' words

This journal does not let us republish the full abstract. Here are the two sentences Pipette selected, quoted from it. Read the rest at the publisher.

Main result
These results demonstrate that CI-like bodies accreted from a common dust reservoir with affinities to both inner (noncarbonaceous) and outer (carbonaceous) Solar System materials.
Limitation the authors admit
Minor Cr isotope variations among aliquots likely reflect parent body aqueous alteration, whereas Fe and Ti isotope data are homogeneous and indistinguishable from those of Ryugu and CI chondrites at bulk (>20 milligrams) scale.
Read the paper

Appeared: Friday, September 25. Science Advances. Peer-reviewed journal.

DOI: 10.1126/sciadv.aei9107

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