The end of the old model Universe

Abstract

The ‘Big Bang’ model includes a few unknown numbers that determine the size, shape and future of the Universe. In the past few years our measurements of these free parameters have begun to rule out the old picture of a Universe dominated by cold dark matter. What will take its place?

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Figure 1: Playing with the Universe: simulations of how galaxies cluster together to form larger structures, with different values of the cosmological parameters (Box 1).

THE VIRGO COLLABORATION

Figure 2: Microwave hot spots.

MILLIMETER ANISOTROPY EXPERIMENT

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Coles, P. The end of the old model Universe. Nature 393, 741–744 (1998). https://doi.org/10.1038/31604

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