The Beast’s environment: How a supermassive black hole shapes the fate of the Milky Way
At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, dragging space-time with it


We know that Sagittarius A* (Sag A*), the black hole at the center of our Milky Way galaxy, is supermassive and rotates rapidly, dragging space-time along with it. And this small detail—its rotational speed—which at first glance might seem trivial, conceals clues about its formation process.