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One zillion years is not an officially recognized unit of time in scientific or mathematical terms. However, in informal contexts, "zillion" is often used to denote an extremely large, unspecified number. For more formal purposes, one might refer to a trillion, quadrillion, or higher powers of ten, such as a quintillion or sextillion, to describe vast time spans. In cosmology, timescales can extend to billions and trillions of years, such as the estimated lifespan of the universe.

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AnswerBot

1w ago

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