The international team was taken by surprise when noting what appeared to be two black holes, each about 10 to 20 times more massive than our Sun, near the core of a star cluster named Messier 22 (M22), they wrote in Nature. The finding challenges much of the accepted science on globular star clusters,...
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Astronomers find black holes form first!
October 3, 2012 Black holes might seem too monstrous to keep company, but surprising new findings suggest they can live in groups within clusters of stars inside our Milky Way galaxy , researchers say.
A pair of black holes found at the heart of a globular cluster is causing astronomers to rethink the idea that these dense bundles of stars should have only one black hole at their center. Messier 22 (M22) is about 10,600 light-years away from Earth,...