New JWST Data Explores ‘Hubble Constant’ Tension for Universe’s Expansion Rate
“Scientists can’t agree on the exact rate of expansion of the universe, dictated by the Hubble constant,” a new article at Space.com reminds us: The rate can be measured starting from the local (and therefore recent) universe, then going farther back in time — or, it can be calculated starting from the distant (and therefore … Read more