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Scientists Discover Universe’s Largest Known Structure

Posted January 14th, 2013 at 7:27 pm (UTC-5)

Scientists have found the largest known structure in the universe, a cluster of galactic cores so vast it would take four billion years for a spacecraft traveling at the speed of light to cross it. The sighting challenges a theory from Einstein which suggests such a massive object shouldn’t exist in the universe. A quasar […]