The James Webb Space Telescope has given astronomers a stunning new window into the history of galaxies like our own Milky Way. By analyzing 111 edge-on galaxies, researchers discovered that galaxies form in two main stages: an early, chaotic thick disk followed by a calmer, thin disk that forms inside it. This pattern was observed […]



Summary

Analyzing 111 edge-on galaxies, the James Webb Space Telescope has revealed a two-stage formation process common to galaxies like the Milky Way. Initially, galaxies form a turbulent, “thick disk.” Subsequently, a thinner, calmer disk develops within this early structure. The observation of this widespread pattern provides a new understanding of galactic evolution and a valuable resource for studying galaxy formation across cosmic time.

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