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In page Olbers's paradox:

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This explanation is not widely accepted among cosmologists, since the evidence suggests that the fractal dimension of the universe is at least 2.[1][2][3] Moreover, the majority of cosmologists accept the cosmological principle,[citation needed] which assumes that matter at the scale of billions of light years is distributed isotropically. Contrarily, fractal cosmology requires anisotropic matter distribution at the largest scales.