We don’t know how fast the universe is expanding, and that’s a problem

Different ways of measuring how fast the expansion of the universe is accelerating disagree with one another, and new measurements are not fixing the issue

Source:
https://www.newscientist.com/article/2248922-we-dont-know-how-fast-the-universe-is-expanding-and-thats-a-problem/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home