What is Abell 370?

Abell 370 is a huge cluster of galaxies located around 4 billion light years away from the Earth in the constellation Cetus. It was catalogued by George Abell. The core of this cluster has several hundred galaxies. It is mainly comprised of dark matter and its large mass distorts space, turning it into gravitational lenses that magnify and distort the light coming from distant background galaxies.


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