Galaxies dating back to the Epoch of Reionization show abundant signs of young stars.
The image captures the GOODS-S field, a region of space in the direction of the constellation Fornax. It was taken as part of the JWST Advanced Deep Extragalactic Survey , a program that takes deep field imagery of the cosmos to decipher how the universe as we know it came about.In the GOODS-S field—which was imaged by Webb’s NIRCam instrument between September 29 and October 10 of last year—lurk galaxies from the universe’sprimordial haze that preceded it.
During the Epoch of Reionization, the universe’s gassy makeup made it opaque to light; in time, denser regions of the universe clumped together and collapsed under gravity, clearing up the cosmos and giving way to the stars and galaxies that adorn it today.Many of the light sources in this image are seen as they were when the universe was a mere 600 million years old; it is now nearly 14 billion years old.
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