Answer to Question #183612 in Astronomy | Astrophysics for armin

Question

how much solar masses does the supermassive black hole of the milky way gain every year ?

Answer 1

The idea that supermassive black holes grow by absorbing nearby smaller black holes and stars is just a theory. Nowadays we don't know the exact mass of Sagittarius A*, supermassive black star in the center of Milky Way, and the growth of it's mass can't be determined yet.