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A team of Indian astronomers has identified a cosmic behemoth- a super clusters of galaxies-about 4 billion light years away from us .The new discovery has been named "Saraswati" .In Sanskrit it means "ever flowing stream with many pools" .The Saraswati is also called as the mega river of galaxies .
This super cluster located in the constellation in pieces has many clusters and group moving and merging like the mythological Saraswati river because of this the Researchers gave this unique name. The discovery has made astronomers think about the early stages of evolution of the universe and provides vital clues about dark matter. The cluster span over 650 million light years in its expanse and had over 10,000 galaxies in 42 clusters and the total mass of this behemoth clusters is equal to 20 million billion suns. The team of astronomers was lead by Joydeep Bagchi of Inter University center for Astronomy and astrophysics ,(IUCAA) which used the data from Sloan digital Sky Survey .
The IUCAA is an autonomous institution set up by the University Grants Commission to promote nucleation and growth of active groups in astronomy and astrophysics in Indian universities. IUCAA is located in the University of Pune campus next to the National Centre for Radio Astrophysics, which operates the Giant Metrewave Radio Telescope. IUCAA has a campus designed by Indian architect Charles Correa.
There are hundred of super clusters in size of range less then 100 million light years.This super clusters clearly standard out in the sky as an especially rare and possibly all among the mega super clusters exceeding 500 million light years in size and if we talk about sun is one among the billion large stars and the Milky way also which extend over 120,000 light years is like a tiny dot in the explored universe.The milky way is the part of the local group in which they have around 50 galaxies in it. The milky way galaxy is also called Laniakia super cluster
There are some kind of Thin "filaments" that connects galaxies , forming a cosmic web ( The Cosmic web is the structure which describe the 3D distribution of matter in cosmology ) there are large voids in between. It is true that the balance between dark matter & dark energy can produce large structures but the super clusters of this size don't present enigma.
The Saraswati super cluster evolved as early as 10 billion years, since the Big bang is the challenge to this model .
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