Indian scientists discover ‘Saraswati’ — a supercluster of galaxies

Saraswati supercluster

The Saraswati supercluster of 43 galaxies is 4 billion light years away from Earth and roughly more than 10 billion years old. It spans 600 million light years and may contain the mass equivalent of over 20 million billion suns.

Superclusters are a chain of galaxies and galaxy clusters bound by gravity, often stretching to several hundred times the size of clusters of galaxies, consisting of tens of thousands of galaxies. The Milky Way, the galaxy we are in, is part of the Laniakea Supercluster.

The Shapley Concentration or the Sloan Great Wall superclusters are comparatively large, but the Saraswati supercluster is far more distant.

The supercluster was discovered by Shishir Sankhyayan, of the Indian Institute of Science Education and Research (IISER), Pune, Pratik Dabhade, IUCAA research fellow, Joe Jacob of Newman College, Kerala, and Prakash Sarkar of the National Institute of Technology, Jamshedpur.

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