These theories demonstrated the manner in which the various components of the universe related to one another as a result of the force of natural attraction, a relationship described in a mathematical formula which can be restated to contend that "the gravitational attraction of two bodies is equal to the product of their mass divided by the square of the distance between them". ... Hodges notes that this analysis allowed Newton to envision: "light and visibility of objects as a result of the rather mechanical movement of a host of miniscule particles or "corpuscles" of light through air, ...

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• Grade Level: Undergraduate