NASA’s James Webb Space Telescope takes us 4.4 billion years into the past with this July 3, 2026 image of a young galaxy cluster, MACS J0553.4-3342. The group is composed of two actively merging subgroups that have approximately the same mass. Each subcluster is anchored by an immensely bright and massive elliptical galaxy, easily identifiable as the two brightest points in the center of this scene with the largest bright halos around them.

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Image credit: ESA/Webb, NASA and CSA, S. Fujimoto