The biggest known object in the universe is the Hercules–Corona Borealis Great Wall. It's a massive galactic supercluster complex — essentially a huge group of galaxies bound together — and it's estimated to be about 10 billion light-years across.

Discovered in 2013 through gamma-ray burst data, it challenges some of our assumptions about the structure of the universe, because it's so vast it may contradict the cosmological principle (which says the universe should be roughly uniform at large scales).it is also bigger stephenson the largest star 🧐lets see