M85-HCC1 is an ultracompact dwarf galaxy with a star density 1,000,000 times that of the solar neighbourhood, lying near the galaxy Messier 85. As of 2015, it is the densest galaxy known.
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This article is an automated import of the Wikipedia article "M85-HCC1", available at https://en.wikipedia.org/wiki/M85-HCC1 . Text is licensed under CC BY-SA 4.0.