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The edge of the sun’s influence in space was found to be colder but more magnetic than had been expected, and white-dwarf stars that fall just short of becoming supernovae were found to have atmospheres of pure carbon.

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The edge of the sun’s influence in space was found to be colder but more magnetic than had been expected, and white-dwarf stars that fall just short of becoming supernovae were found to have atmospheres of pure carbon.

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