A ring-shaped structure nearly 1.3 billion light-years across has been identified in the distant universe, and it should not exist at this scale under the standard model of cosmology. A ring-shaped arrangement of galaxies stretching roughly 1.3 billion light-years in diameter has been identified in the distant universe, and its size and geometry do not fit neatly into current cosmological models. The structure, called the Big Ring... [4954 chars]
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