... ESO . ... Quasars and Black Holes . ... The team found that most active nuclei reside in galaxies with masses about 20 times larger than the value predicted by merger theory. тАЬ These new results give us a new insight into how supermassive black holes start their meals, тАЭ said Viola Allevato, who is lead author on the new paper. тАЬThey indicate that black holes are usually fed by processes within the galaxy itself, such as disc instabilities and starbursts, as opposed to galaxy collisions.тАЭ . ...