https://www.youtube.com/watch?v=1xAA08Uv1wU
http://www.iflscience.com/space/one-of-the-biggest-structures-in-the-universe-has-just-been-discovered/ Astronomers have discovered a huge new supercluster of galaxies that have a mass of 20,000 Milky Ways. The discovery throws a spanner in the works of the current cosmological model. The supercluster is too big to be already in place 10 billion years after the Big Bang. via One Of The Biggest Structures In The Universe Has just Been Discovered | IFLScience.