JWST And Hubble Agree on The Universe’s Expansion, And It’s a Major Problem : ScienceAlert
A new, precise measurement of the expansion rate of the Universe is in, and it's serving up a huge cosmic pickle.Using Hubble data and new observations from the James Webb Space Telescope (JWST), a team led by physicist Adam Riess of Johns Hopkins University has confirmed that previous measurements are correct after all, despite years of debate.Based on immense distances from our Solar System to Cepheid variable stars and Type Ia supernovae, which are used to create a 'cosmic distance ladder', our Universe does indeed…