And at the center of it all is a celebrity couple: the first known pairing of black holes and the most massive ones found outside of the cores of galaxies. (sciencenews.org)
All four have come from pairs of black holes spiraling towards one another and then colliding, their colossal masses warping space - time as they merge. (newscientist.com)
Astronomer George Djorgovski of the California Institute of Technology in Pasadena used adaptive optics on the 10 - meter Keck telescope, also on Mauna Kea, to reveal orbiting pairs of black holes in 16 distant galaxies. (sciencemag.org)