How Big Is The Universe’s Largest Galaxy, Really?

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      Elliptical galaxies, however, are the largest galaxies of all. Messier 87, the Virgo supercluster’s largest galaxy, is 980,000 light-years across. The Coma Cluster’s biggest, NGC 4889, spans 1,300,000 light-years in diameter.

      But the biggest one of all? That’s IC 1101. Its full span is 5.5 million light-years across: nearly double the Local Group’s full extent. The true relative size differences highlight galactic diversity.×0.jpg?fit=scale

      Jesus: Hey, Dad? God: Yes, Son? Jesus: Western civilization followed me home. Can I keep it? God: Certainly not! And put it down this minute--you don't know where it's been! Tom Robbins in Another Roadside Attraction

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