Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...
This finding supports the existence of a supermassive black hole at the center of the Milky Way, with a mass estimated ... indicating dynamic processes occurring near the event horizon[4].
Scientists have been actively observing Sagittarius A* (Sgr A*)— a supermassive black hole roughly 4 million ... field lines of the supermassive black hole. They emit high-energy radiation photons ...