What’s ejected is not energy per se, but plasma, which is a gaseous conductor of energy. Plasma is charged, and the galaxy has a magnetic field, so if the galaxy collided with the ejected plasma, the magnetic field would protect it, just like Earth’s magnetic field protects us from the plasma that the sun ejects towards us (the solar wind).
Thank you! So no mass destruction. I appreciate the information. Sixty-six, and I’m still in need of education, LOL!