Sagittarius A: The Monster Black Hole at the Center of Our Milky Way

Sagittarius A* is the supermassive black hole at the center of the Milky Way, about 26,000 light-years away from Earth. It has a mass of around 4 million Suns and controls the motion of nearby stars. From the first Event Horizon Telescope image to Einstein’s relativity tests, Sagittarius A* is one of the most fascinating mysteries in modern astronomy.









