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Un'équipe di scienziati coordinati dal Politecnico federale di Losanna (EPFL) e dal Max Planck Institut ha proceduto ad una nuova misurazione della cosiddetta "costante di Hubble", la quale indica la velocità di espansione dell'universo.
Essa si attesta attualmente a circa 72 chilometri al secondo per "megaparsec", che rappresenta circa 3,3 milioni di anni-luce. Il valore di questa velocità è stato costantemente affinato nel corso di quasi un secolo, grazie all'uso di strumenti più precisi e di telescopi più performanti.
La sua misurazione ha implicazioni profonde per la fisica e cosmologia, sottolinea l'EPFL in un comunicato diffuso oggi, giovedì.
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