"What we found is that three of the species did have lower abundances in locations that were noisier, " Dr Proppe explained.

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"Dawn's crowning success at Vesta was the delivery of instruments that require proximity, exemplified by the gamma-ray and neutron measurements of Prettyman et al. yielding elemental abundances that unequivocally confirm the meteorite links, " Binzel wrote.

MSN: Surprisingly, giant asteroid Vesta covered in hydrogen