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Source:
CNN
Early universe simulation
International researchers have created Lumina, a detailed simulation of the early universe that models how the first stars and black holes drove reionization, transforming hydrogen and changing how galaxies formed. Spanning about 1.5 billion light-years in each direction, it took nearly three years to run on more than 15,000 graphics processing units at Oak Ridge National Laboratory. Researchers say its scale enables study of individual galaxies and large cosmic structures, and comparison with telescope observations to test theories of the universe’s evolution.
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