The giant arcs that may dwarf everything in the cosmos

The giant arcs that may dwarf everything in the cosmosThe giant arcs that may dwarf everything in the cosmos External link

In 2021, British PhD student Alexia Lopez was analysing the light coming from distant quasars when she made a startling discovery. She detected a giant, almost symmetrical arc of galaxies 9.3 billion light years away in the constellation of Boötes the Herdsman. Spanning a massive 3.

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