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What’s the biggest known structure in the universe?

Astronomers used to think it was a “filament” of galaxies known as the Sloan Great Wall. But recent research suggests a different structure is even bigger — and its size has astronomers scratching their heads.

then Meet the Hercules-Corona Borealis Great Wall. the biggest thing in universe.. and that takes a 60,000,000,000,000,000,000,000 22 zero. or take in 10 billion year. there you have it..the biggest strucrure in universe!

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