Here's the key figure in the paper. It's a comparison of many different ways of measuring the Hubble constant (H0, the present-day expansion rate of the Universe) and the (present-day) matter density (Omega_m). The white circle is the region where most can sort of agree. pic.twitter.com/rEuQEkvSQ3
— Katie Mack (@AstroKatie) October 9, 2019