Inflation And The Separation Of Forces

Inflation—a brief period of sudden expansion in the first instant of creation, during which the universe grew from smaller than an atom to bigger than a galaxy—is needed to explain the uniformity of the universe as it appears today. The best suggestion as to what could have driven this growth spurt is that huge amounts of energy were released as four "fundamental forces," which have governed the universe ever since, separated from a unified "superforce."

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