Black holes, Formation of galaxies, Globular clusters, Gravitational waves, Massive and supermassive black holes, The universe at redshifts of about 10, QUASAR, massive and supermassive black holes, the Universe at redshifts of about 10, globular clusters, formation of galaxies, DISCOVERY, LUMINOUS GALAXIES, ORIGIN, STAR, GRAVITATIONAL-WAVES, STELLAR-MASS, DARK-MATTER, gravitational waves, REDSHIFT, black holes, GLOBULAR-CLUSTERS
