Evidence for the existence of supermassive black holes has now been found
A) in every known galaxy.
B) nowhere in our observable universe,although the existence of such black holes has been predicted by theory.
C) in several dozen galaxies.
D) in only one galaxy,our own Milky Way Galaxy.

Question

Quizplus · Accepted Answer

Evidence for the existence of supermassive black holes has been found in several dozen galaxies through observations of their effects on nearby stars and gas. While it is still theoretical, it is widely believed that supermassive black holes are present in every galaxy, including our own Milky Way Galaxy.

Evidence for the Existence of Supermassive Black Holes Has Now