2020
DOI: 10.21203/rs.3.rs-19041/v2
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Chemical assessment of the explosive chamber in the projector system of Hayabusa2 for asteroid sampling

Abstract: We report a chemical assessment of the explosive chamber in the projector system used during the sampling operation of the Hayabusa2 project at the surface of the C-type asteroid Ryugu. Although the explosion process was designed as a closed system (cf. Sawada et al., Space Sci. Rev., 2017), volatile combustion gases and semivolatile organics were produced together with quenched carbonaceous product. The chemical compositions of the gases, organics, and inorganics were investigated in the screening analysis. A… Show more

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