How the universe's first galaxies formed faster than we imagined

Tommaso Treu and Mike Shara Discuss Super Massive Black Holes · 27:29 · Video: American Museum of Natural History · Watch at the source

In short: The James Webb Space Telescope is rewriting the timeline of our cosmos. This discussion explores how supermassive black holes and early galaxies shaped the universe's first major phase transition.

Physics professor Tommaso Treu and curator Mike Shara discuss the critical roles of supermassive black holes and dark matter in cosmic evolution. A key focus is the 'cosmic reionization' phase, the last major transition of the universe.

Data from the GLASS-JWST Early Release Science Program has revealed a population of luminous galaxies at redshifts greater than 10. This suggests that galaxies formed significantly earlier and more rapidly than previous models predicted. Researchers are currently characterizing the specific relationship between these early black holes and their host galaxies at a redshift of 6.

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