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Ancient Spiral Galaxy Zhúlóng Challenges Galaxy Formation Theories

4/17/2025

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Summary

Astronomers Discover Zhúlóng

Astronomers have unveiled Zhúlóng, the oldest spiral galaxy known, dating back just 1 billion years after the Big Bang. With its striking resemblance to the Milky Way, complete with spiral arms and a central bulge, this discovery reshapes our understanding of galaxy formation, hinting at a surprisingly swift evolution of massive galaxies in the universe's infancy.

Summary

Webb Telescope Discovers Galaxies

The James Webb Space Telescope has made a groundbreaking discovery, spotting galaxies that date back over 13 billion years. Among them, JADES-GS-z13-1-LA, formed just 330 million years after the Big Bang, reveals crucial signs of reionization. This finding deepens our understanding of galaxy formation and the ultraviolet light that shaped the cosmos.

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Astronomers Discover Zhúlóng

Astronomers have unveiled Zhúlóng, the oldest spiral galaxy known, dating back just 1 billion years after the Big Bang. With its striking resemblance to the Milky Way, complete with spiral arms and a central bulge, this discovery reshapes our understanding of galaxy formation, hinting at a surprisingly swift evolution of massive galaxies in the universe's infancy.

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