Hst imaging of_fading_agn_candidates_i_host_galaxy_properties_and_origin_of_the_extended_gas
Pseudo-bulges, classical bulges and elliptical galaxies – II Monsters at Heart Dimitri Gadotti (ESO)
S Black Holes By: Alex Saladna. Where do Black Holes come from? Collapse of stars- caused when protons that carry momentum outward begin to no longer.