The Abell 85 galaxy cluster, which is home to a black hole of 40 billion solar masses Mathias Kluge/USM/MPE ===================================================================== Astronomers from the Max Planck Institute for Extraterrestrial Physics and at the University Observatory Munich have found the largest known black hole in our galactic neighborhood using direct mass measurements. Located 700 million light-years from Earth in the Abell 85 cluster of galaxies in the constellation of Cetus, it has a mass 40 billion times that of the Sun. Ever since the existence of the first black hole was confirmed in 1971, they have gone from being a mathematical curiosity...
