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Arstechnica

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Image Credit: Arstechnica

Latest James Webb data hints at new physics in Universe’s expansion

  • New observational data from the James Webb Space Telescope (JWST) confirms prior measurements of distances between nearby stars and galaxies made by the Hubble Space Telescope.
  • The discrepancy between observation and our current theoretical model of the Universe is more likely to be due to new physics.
  • The Hubble Constant, a measure of the Universe's expansion, has different values obtained from various measurement methods.
  • For instance, distant supernovae tracking produced a value of 73 km/s Mpc, while the Cosmic Microwave Background (CMB) measurements using the Planck satellite produced a value of 67 km/s Mpc.

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