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Now Reading: An Explanation For The JWST’s Puzzling Early Galaxies

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    An Explanation For The JWST’s Puzzling Early Galaxies

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An Explanation For The JWST’s Puzzling Early Galaxies

belaUniverse Today14 hours ago3 Views

An Explanation For The JWST's Puzzling Early Galaxies

In this JWST image, the galaxy Y1 glows with a red light from heated dust. It's undergoing, or underwent, a period of extremely rapid star formation. If other ancient galaxies experienced the same thing, that can explain why ancient galaxies are so much more massive than astronomers thought they could be. Image Credit: NASA, ESA, CSA (JWST), T. Bakx/ALMA (ESO/NRAO/NAOJ). Licence type: Attribution (CC BY 4.0)

The JWST surprised when it detected very early galaxies that were extremely luminous. This suggested that they were more massive than researchers thought they could be. Not enough time had passed for them to grow so large. New research has an explanation.

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