Fine-tuned universe - Wikipedia
The characterization of the universe as finely tuned intends to explain why the known constants of nature, such as the electron charge, the gravitational constant, and the like, have their measured values rather than some other arbitrary values. According to the "fine-tuned universe" hypothesis, if these constants' values were too different from what they are, "life as we know it" could not exist.[1][2][3][4] In practice, this hypothesis is formulated in terms of dimensionless physical constants.[5]
Fine-tuned universe - Wikipedia Jump to content Checked From Wikipedia, the free encyclopedia This is the latest accepted revision , reviewed on 11 July 2026 . Hypothesis about life in the universe For the concept of a fine-tuned Earth, see Rare Earth hypothesis . Timeline of the expansion of the universe , where space is represented schematically at each time by circular sections. On the left, the dramatic expansion of inflation ; at the center, the expansion accelerates (artist's concept; neither time nor size are to scale). The fine-tuned universe is the hypothesis that, because "life as we
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