New research from the James Webb Space Telescope has discovered a population of massive galaxies that existed in the early universe. This groundbreaking discovery sheds new light on how galaxies form and evolve, and challenges our understanding of the history of the universe. The study, published in the journal Nature Astronomy, reveals that these galaxies were already quite large and mature when the universe was still very young. This suggests that galaxies can form quickly and grow rapidly in size, rather than slowly building up over billions of years. It also means that our current models of galaxy formation and evolution need to be revised to account for this finding.

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source: Phys.org