The James Webb Space Telescope’s latest findings have revealed that galaxies in our universe grew up faster than previously anticipated. The first galaxies were irregular blobs of gas and stars, but modern features like spiral arms and bars appeared earlier than expected.
According to the study, after 13.8 billion years of cosmic evolution, the galaxies we see today consist of highly evolved stars, enriched gas, and complex features such as spiral arms, central bars, and extended stellar halos. However, when looking farther away, researchers found that younger, lower-mass, and less evolved galaxies also possessed these same features.
The JWST’s high-resolution capabilities allowed scientists to observe the universe in unprecedented detail, shedding new light on galaxy formation and evolution. This discovery has significant implications for our understanding of the cosmos, suggesting that galaxies may have developed more quickly than previously thought.
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Source: https://bigthink.com/starts-with-a-bang/jwst-galaxies-grow-up-quickly