At the core of M87 is a supermassive black hole with about 6.4×109 times the mass of the Sun (See related question)
The Milky Way (our galaxy) is believed to have one in the center. Every or almost every galaxy has a black hole in the middle of it.
It is believed that all galaxies have a black hole at their centers.
There is no black hole in our solar system.It is believed, however, that there is a black hole at the center of the Milky Way Galaxy, and that there are black holes at the center of every galaxy.
Yes, there is believed to be a super giant black hole at the center of every galaxy.
Not all galaxies, but it is believed that the majority of galaxies have central black holes.
What about it? General info: The milkyway galaxy is a spiral galaxy that rotates around a center of mass believed to be a black hole. On December 21st 2012 it is predicted that the earth will be in line with this center of mass
It is believed that there are black holes in the centers of many galaxies. I believe a super-massive black hole
It seems that just about EVERY galaxy has a huge ("supermassive") black hole in its center.
every galaxy got a black hole in the center even our galaxy, the milky way.
A blazar is an elliptical galaxy with a supermassive black hole at the center.
One theory suggests that a black hole (a collapsed star with immense density) is located in the center of the galaxy. Another theory suggests that there's a wormhole leading to a whole other universe or dimension.
Current theories propose that there are massive black holes at the center of every large galaxy, including our Milky Way. The black hole at the center of our galaxy is thought to be Saggitarius A*.