[COSMOLOGIE] Un duo de théoriciens espagnols pense avoir trouvé une preuve observationnelle d'une violation du principe cosmologique d'anisotropie. Ils montrent l'existence de trois régions distinctes dans le fond diffus cosmologique, trois "horizons", qui ont des paramètres cosmologiques différents. De tels horizons non causals sont prédits par un modèle récent qui fournirait par ailleurs une explication à l'accélération de l'expansion et résoudrait facilement la tension sur le paramètre de Hubble-Lemaître H0. Une étude parue dans Monthly Notices of the Royal Astronomical Society.
Emissions
- Ça Se Passe Là-Haut
- #1175 : Observations de 3 horizons non causals dans le fond diffus cosmologique
Publié le par eric simon
Eric Simon
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