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A hypothesized period of accelerated expansion in the early universe that can generate nearly scale-invariant primordial perturbations and address horizon and flatness puzzles.
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Inflationary cosmology augments the hot Big Bang history with a hypothesized earlier epoch of accelerated expansion and a mechanism for primordial perturbations.
A more specific theory, model, entity class, or regime is obtained by restricting or extending the scope of a broader framework.
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