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In 2025, astronomers mapped Quipu, the largest reliably identified cosmic superstructure yet—a branching filament roughly 1.4 billion light-years long, 13,000 times the diameter of the Milky Way’s stellar disc, with an estimated mass of about 200 quadrillion Suns.
Space Daily·September 2, 2026·1 min read
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A map built from 68 X-ray-selected galaxy clusters reveals Quipu’s extraordinary scale, while its boundary, mass and cosmological meaning demand more careful language than “largest object.
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A map built from 68 X-ray-selected galaxy clusters reveals Quipu’s extraordinary scale, while its boundary, mass and cosmological meaning demand more careful language than “largest object.” The post In 2025, astronomers mapped Quipu, the largest reliably iden…
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