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Early galaxies' sizes explained; black holes influence brightness

nasa.gov — August 26, 2024, 03:01 PM UTC

Summary: Astronomers using NASA's James Webb Space Telescope have revised their understanding of early galaxies, initially thought to be overly massive. A study led by the University of Texas at Austin indicates that black holes contribute to the brightness of these galaxies, making them appear larger. While more galaxies than expected were found, they do not challenge the standard model of cosmology, which remains intact.

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