%0 Journal Article
%T Monster black holes
%A Michele Cappellari
%J Physics
%D 2012
%I arXiv
%R 10.1038/480187a
%X A combination of ground-based and spacecraft observations has uncovered two black holes of 10 billion solar masses in the nearby Universe. The finding sheds light on how these cosmic monsters co-evolve with galaxies.
%U http://arxiv.org/abs/1205.4379v1