Almost fourteen billion years ago, darkness filled a Universe with none of the stars, planets, rocky worlds or complex chemistry we see around us today. Hydrogen and helium dominated the newborn cosmos, with only traces of a few lighter elements left behind by the Big Bang. Carbon had yet to fill interstellar clouds, oxygen had […]
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Researchers at the University of Arizona, using observations from the James Webb Space Telescope (JWST), revealed that ancient galaxies were already enriching the cosmos with heavy elements in early times of the universe.