Recherche par tag: « Cepheid period-luminosity »

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James Webb Space Telescope deepens major debate over universe's expansion rate
Monisha Ravisetti

13/09/2023 Lecture 9 min

Source de l'article : Space.com
James Webb Space Telescope Deepens Major Debate Over Universe's Expansion Rate
Scientists still can't nail down the rate at which our universe is expanding. New JWST observations didn't make things any easier.
Jwst Edwin Hubble Cepheid Period-Luminosity Adam Riess Universe Expansion Rate