JWST study suggests a handful of 'leaky' galaxies reionized the early universe
Aug 06, 2026
A new study analyzing the James Webb Space Telescope (JWST) spectra of more than 1,400 galaxies suggests a surprisingly small group of "leaky" galaxies was responsible for cosmic reionization. The paper outlining this work was posted to the arXiv preprint server on July 24.
https://phys.org/news/2026-08-jwst-leaky-galaxies-reionized-early.html
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