Young Galaxy Cluster
NASA
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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 elliptical galaxy, easily identifiable as the […]