Grains of dust from asteroid Ryugu older than our solar system - Phys.org

An international team of researchers studying dust samples retrieved by the Hayabusa-2 space probe, has found that some of its dust grains are older than the solar system. In their paper published in The Astrophysical Journal Letters, the group describes thei…

(a) Backscattered electron (BSE) image of Ryugu thin section A0058-2. Every black area consists of 20 NanoSIMS maps measured. (b) An area in section C0002 with a less altered lithology than the surro… [+3901 chars]

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