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DARK UNIVERSE

Crack in the cosmological paradigm

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A time-dependent dark energy component of the Universe may be able to explain tensions between local and primordial measurements of cosmological parameters, shaking current confidence in the concept of a cosmological ‘constant’.

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Fig. 1: Time evolution of the dark energy equation of state.

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Correspondence to Eleonora Di Valentino.

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Di Valentino, E. Crack in the cosmological paradigm. Nat Astron 1, 569–570 (2017). https://doi.org/10.1038/s41550-017-0236-8

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