Ray Jayawardhana: It is a clue that most likely, these high energy neutrinos come either from jets of particles that are accelerated by super massive black holes at the hearts of galaxies, or from really gigantic stars that explode at the end of their lives that also produce a phenomenon we call gamma ray bursts, which also might accelerate particles to very high speeds and energies. (scientificamerican.com)
«Using space VLBI, we can probe the cores of quasars and active galaxies, believed to be powered by super massive black holes,» said Dr. Robert Preston, project scientist for the U.S. Space Very Long Baseline Interferometry project at JPL. (public.nrao.edu)
«Why super massive black holes consume less material than expected.» (sciencedaily.com)