The Great Wall of Hercules: The Largest Known Structure in the Observable Universe

 The Hercules–Corona Borealis Great Wall or simply the Great Wall is the largest known structure in the observable universe, measuring approximately 10 billion light-years in length (the observable universe is about 93 billion light-years in diameter).

The structure was discovered in November 2013 by a US-Hungarian team of astronomers.

The Great Wall of Hercules is a giant “thread” that includes galaxy clusters connected by gravity. Clusters, in turn, are made up of “galactic families” linked by gravitational bonds.

The great wall of Hercules has absorbed billions of galaxies, quintillions of stars and even more planets. And if there are so many planets, it’s hard to even imagine how many other life there can be....<<<Read More>>>...