How fast is the universe expanding? Astronomers may be one step closer to resolving ‘Hubble trouble’
When you buy through links on our articles, Future and its syndication partners may earn a commission. (Main) the galaxy Centaurus A as seen by the the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. (Inset) The velocities of galaxies in groups versus distance. | Credit: ESO/ AIP/ D. Benisty / J. Fohlmeister…