5. Hercules A
(pic by NASA)
The black hole in this galaxy is absolutely bizarre. It is very different than what astronomers usually see inside a galaxy:
At the center of Hercules A (aka 3C 348) lurks a behemoth black hole with the mass of 2.5 billion Suns! It’s 1,000 times more massive than the Milky Way’s ample black hole and generates two unreal jets of plasma that obscure the much smaller host galaxy.
Let’s find out about old white dwarf stars in the Milky Way on the next page
