As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.
Smithsonian Magazine on MSN7h
An Enormous, Branching String of Galaxy Clusters Is the Largest Known Structure in the Universe, Scientists SayThe cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
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