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Astronomy & science · first seen 16 Aug, updated 16 Aug

JWST has spent four years revealing an early universe that galaxy-formation models did not expect: within a few hundred million years of the Big Bang, galaxies were already forming stars faster, shining brighter and appearing in greater numbers than most pre-Webb predictions — challenging the astrophysics built around ΛCDM, though not yet ΛCDM itself.

1 outlet James Webb Space Telescope

Webb has confirmed a richer and more luminous cosmic dawn than many pre-launch models forecast, pressing hardest on uncertain galaxy physics rather than yet overturning ΛCDM. The post JWST has spent four years revealing an early universe th…

Summary from SpaceDaily.

Coverage 1 article · 1 outlet

  1. SpaceDaily
    JWST has spent four years revealing an early universe that galaxy-formation models did not expect: within a few hundred million years of the Big Bang, galaxies were already forming stars faster, shining brighter and appearing in greater numbers than most pre-Webb predictions — challenging the astrophysics built around ΛCDM, though not yet ΛCDM itself.