Chandra Spots a Mega-Cluster of Galaxies in the Making by Translucidmind | Jan 31, 2020 | Physics https://www.nasa.gov/image-feature/chandra-spots-a-mega-cluster-of-galaxies-in-the-making https://www.nasa.gov/image-feature/chandra-spots-a-mega-cluster-of-galaxies-in-the-making