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This infrared image from the James Webb Space Telescope shows a portion of an area of the sky known as GOODS-South, with more than 45,000 galaxies visible. Hundreds of galaxies have been discovered that existed when the universe was less than 600 million years old. Several of these galaxies existed during a time known as the Epoch of Reionization, when the universe underwent a transformation from opaque to transparent. Many of these galaxies shown unusually strong emission line signatures due to the creation of multitudes of hot, massive stars.