JWST study suggests a handful of 'leaky' galaxies reionized the early universe - Phys.org
science 2026/08/06 18:40:04

JWST study suggests a handful of 'leaky' galaxies reionized the early universe - Phys.org

Source:Phys.Org
Author:Shreejaya Karantha

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 ser…