At about 2 million light-years in diameter, what is the name of the largest galaxy currently known to Earth's astronomers?

IC 1101 is a supergiant elliptical galaxy located in the Abell 2029 galaxy cluster. It is one of the biggest galaxies known to humanity, with a halo about 2 million light-years in diameter and containing approximately 100 trillion stars.

Asked by Vasilii Kulev · Last updated 4 years ago · 797 views · SOURCE