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The JWST found a galaxy cluster from 10 billion years ago that is more developed than predicted by cosmological models. This cluster is the most distant strong gravitational lens known and is still undergoing mergers, as detailed observations across the spectrum reveal.
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 mergers.
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