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New clues to the early Solar System from ancient meteorites

In order to understand Earth's earliest history -- its formation from Solar System material into the present-day layering of metal core and mantle, and crust -- scientists look to meteorites. New research focuses on one particularly old type of meteorite called diogenites. These samples were examined using an array of techniques, including precise analysis of certain elements for important clues to some of the Solar System's earliest chemical processing.
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