Maria Schönbächler

Professor of cosmochemistry, ETH Zurich; lead author of the Bennu isotope study

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Bennu asteroid samples reveal Jupiter's role in early solar system formation

Leading the isotopic analysis linking Bennu's formation to Jupiter

NASA's Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) mission returned 121 grams of asteroid Bennu to Earth in 2023. New isotopic analysis of that material is rewriting the story of how the solar system formed, and it points a surprising finger at Jupiter.

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