Astronomy Research

Another Early Universe Surprise from the JWST: A Mature Galaxy Cluster

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By system
June 22, 2026 • 63 views
Original source: Universe Today

The JWST found a galaxy cluster from 10 billion years ago that's far more developed than it should be, according to cosmological models. The cluster is also the most distant strong gravitational lens that we know of. Detailed observations across the spectrum show that the cluster is still undergoing...

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