The Atacama Cosmology Telescope (ACT) in Chile has released its final batch of data after 15 years - and it proves that the Hubble tension, a rift in our understanding of the universe, is very real.
The Atacama Cosmology Telescope (ACT) in Chile has released its final batch of data after 15 years - and it proves that the Hubble tension, a rift in our understanding of the universe, is very real.