They found that the rays seemed to concentrate in «hotspots» in the vicinity of particular galaxies, suggesting that they might originate in the overheated matter surrounding supermassive black holes at the galaxies» centres. (scientificamerican.com)
galaxy impacts the size, speed, and mass of our own and if that or any particular galaxy was 1 % different than they currently are life could not exist here. (nakedpastor.com)
But this particular galaxy's black hole seems to have circumvented this limitation — if it's burping, the burps seem to be few and far between. (scientificamerican.com)