Young Galaxy Cluster
via esawebb.org
Short excerpt below. Read at the original source.
ESA/Webb, NASA & CSA, S. Fujimoto NASA’s James Webb Space Telescope takes us 4.4 billion years in the past with this July 3, 2026, image of a young galaxy cluster, MACS J0553.4-3342. The cluster is composed of two actively merging sub-clusters, roughly equal in mass. Each sub-cluster is anchored on an immensely bright and massive […]