• Moiya McTier

Astronomy Fun Fact #4

The largest structure in the entire universe is called the BOSS Great Wall, named after the Baryon Oscillation Spectroscopic Survey that discovered it. It's made up of about 850 galaxies that have all become gravitationally bound to each other in one giant supercluster nearly 1 BILLION light years across. This BOSS sits about 6.5 billion light years away from us, so you probably can't make it there for your summer vacation.

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