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Dark MatterIndependent StudyDominic StelmachPlanetary AstronomyDavid MayburyDecember 3, 2015Dark matter is one of the great mysteries in astronomy today, and although it is not viewable through telescopes, the hypothetical matter accounts for most of the matter in the universe; in fact, it is estimated that it constitutes 84.54 percent of all matter (Francis). It must then.