<< the surface of dwarf planet Ceres is rich in organic matter. Data from NASA's Dawn spacecraft indicate that Ceres's surface may contain several times the concentration of carbon than is present in the most carbon-rich, primitive meteorites found on Earth. >>
Team finds evidence for carbon-rich surface on Ceres. Southwest Research Institute. Dec 10, 2018.
https://m.phys.org/news/2018-12-team-evidence-carbon-rich-surface-ceres.html
S. Marchi, A. Raponi, et al. An aqueously altered carbon-rich Ceres.
Nature Astronomy. Dec 10, 2018. doi: 10.1038/s41550-018-0656-0.
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