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NASA’s Hubble Space Telescope Discovers a Cosmic Bullseye, Found to Be a Galaxy With Star-Filled Rings
NASA’s Hubble Space Telescope Discovers a Cosmic Bullseye, Found to Be a Galaxy With Star-Filled Rings Astronomers observed a unique image of a galactic collision between galaxies which created a ...
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An Enormous, Branching String of Galaxy Clusters Is the Largest Known Structure in the Universe, Scientists Say
Meet Quipu, a new contender for the largest known structure in the universe. It’s essentially a giant cluster of galaxy clusters stretching approximately 1.3 billion light-years long—more than 13,000 ...