A Mighty Wind Blew Away Gas and Made Early Galaxies Brighter
When astronomers looked at photos of the early universe taken by the James Webb Space Telescope, they found something odd: an overabundance of bright galaxies about 400 to 500 million years after the Big Bang. But these galaxies should have been far less common so soon after the Big Bang. Researchers may have figured this out: Powerful ultraviolet (Lyman-alpha) radiation produced by dense…
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