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The latest astronomy news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks astronomy across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

Astronomers created a 3D map of a distant sky patch, revealing a colossal system with about 5,000 times more mass than the Milky Way. The map resolved an optical illusion, showing the structure is not a single cluster but a chain of clumps forming the earliest known supercluster, COSMOS-Z3.1-A.
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