Galaxies Actively Forming in Early Universe Caught Feeding on Cold Gas

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Galaxies Actively Forming in Early Universe Caught Feeding on Cold Gas

This illustration shows a galaxy forming only a few hundred million years after the big bang.

Researchers analyzing data from NASA’s James Webb Space Telescope have pinpointed three galaxies that may be actively forming when the universe was only 400 to 600 million years old. Webb’s data shows these galaxies are surrounded by gas that the researchers suspect to be almost purely hydrogen and helium...