The Hubble constant remains one of the most important parameters in the cosmological model, setting the size and age scales of the Universe. Present uncertainties in the cosmological model.
Presentation by Nobel Laureate Dr Adam Riess from Johns Hopkins University & STScI, recorded during the first Gaia data workshop at ESA's European Space Astronomy Centre (ESAC) 2-4 November.
There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that's a big deal. Subscribe For.
