Paul Nulsen
Paul Nulsen
behind leaving shock trace
The cavities and shock will dissipate, leaving behind very little trace of their existence.
cooling effect forming gas hot main preventing stars stop
We think that the main effect of eruptions like this is to stop stars from forming by preventing hot gas from cooling down.
amount black either existing falling galaxy gas hole hot large low might represent tail
It might come from a merging galaxy, either gas and stars, or even another black hole falling into an existing black hole. It might also be a large amount of the hot X-ray emitting gas that cooled to low temperature. Either way, it would represent the tail end of galaxy formation.
fuel issue source
The interesting issue is, what is the source of the fuel in this case?