関連ワード:
do all galaxies have a black hole in the center does every galaxy have a black hole in the centre do all galaxies have a black hole at their center do all galaxies have a supermassive black hole in their galactic center do galaxies have black holes in the center does the andromeda galaxy have a black hole in the center do all galaxies have a central black hole do galaxies always have a black hole in the middle do galaxies have black holes in the middle do most galaxies have black holes at their centers
