Black holes do not exist plain and simple. The physics behind such a thing just cannot be reconciled with REAL world physics. It's all gobble-degook math scribbled by madmen who can't do simple arithmetic.

The easiest most logical explanation is that ALL galaxies are active galaxies. Wherein any galaxy has a plasma core or center from which, when it becomes MORE active, expels jets of plasma. This is due to instabilities that build up in the different layers that will eventually result in a large release of energy that re-balances the system. The reason Sag A emits high energy x-rays is due to the plasma nature of the core. And I'll bet peso's to dollars that this increase in energy from Sag A that they have witnessed is mostly in the x-ray band.

There are many many galaxies we have seen and recorded them doing this and they called them active galaxies. Remember ALL galaxies are active to one degree or another and every once in a long while will develop plasma instabilities and vent them so to speak in highly energetic plasma discharges out their vertical spin axis. ie. north and south poles as it were.

The Electric Universe fella's have it RIGHT. Many of them are Plasma physicists and see this kind of thing in LAB EXPERIMENTS all the time. And they don't require whacked out scribblings in convoluted math language to explain what is going on.