https://www.live-feeds.com/feed/jwst-finds-early-galaxies-were-already-seeding-the-universe-with-heavy-elementsContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/jwst-finds-early-galaxies-were-already-seeding-the-universe-with-heavy-elementshttps://www.live-feeds.com/feed/jwst-finds-early-galaxies-were-already-seeding-the-universe-with-heavy-elements#u85540Sat, 26 Sep 2026 21:36:03 +0000The James Webb Space Telescope detected heavy elements in galaxies existing just 500 million years after the Big Bang. These findings show that early galaxies were already seeding the universe with metals, contradicting expectations that gas surrounding these systems would remain mostly hydrogen and helium. Observations identified six different metal types in galaxies at redshift 9, indicating that metal-enriched baryon cycling occurred before the midpoint of cosmic reionization. This early chemical enrichment provided the necessary ingredients for the eventual formation of planets and life.Wh