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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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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DOI: https://doi.org/10.1038/s41550-017-0236-8
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