Among astronomers, the accepted explanation for the active nucleus in NGC 5548 is the accretion of matter onto a supermassive black hole (SMBH) at the core. This object is surrounded by an orbiting disk of accreted matter drawn in from the surroundings.
The accepted explanation for the active nucleus in NGC 5548, as recognized by astronomers, is that it's caused by matter accumulating around a supermassive black hole (SMBH) at its core. This object is surrounded by an orbiting disk of accreted material drawn from the surrounding area.