The black holes that we can observe directly through their radiant emission are mostly in a configuration where
gas swirls around the black hole in the form of an accretion disk and that accretion disk — most of the mass is going to be in an
ionized form, and then some of that
gas gets
expelled from the environment around the black hole, while it is still outside the black hole, it gets squirted out in the form of an outflow, a wind like the solar wind and then [a] much faster, collimated outflow called a jet.
We find that the dust and PAHs are contained in both
ionized and neutral
gas components, implying that they have been
expelled into the halo of M82 by both starbursts and galaxy interaction.