https://www.astronomy.com/science/chandra-weighs-most-massive-galaxy-cluster-in-distant-universe/
Chandra weighs most massive galaxy cluster in distant universe | Astronomy.com
May 18, 2023 - Using the Chandra X-ray Observatory, astronomers have made the first determination of the mass and other properties of a young distant galaxy cluster.
most massive galaxy clusterdistant universechandraweighs
https://www.space.com/9328-massive-galaxy-cluster-early-universe-discovered.html
Most Massive Galaxy Cluster of Early Universe Discovered | Space
Oct 14, 2010 - The most massive conglomeration of galaxies ever spotted in the early universe was recently discovered.
most massive galaxy clusterearly universediscoveredspace