For John, BLUF: You finally get it almost all figured out and then some Black Hole goes and erupts. Nothing to see here; just move along.
…Colossal explosion from supermassive black hole at center of galaxy.
From the blog KurzweilAI, the AI standing for Artificial Intelligence.
Two million years ago, a supermassive black hole at the heart of our galaxy erupted in an explosion so immensely powerful that it lit up a cloud 200,000 light years away, a team of researchers led by the University of Sydney has revealed.What about the event horizon? What will be the impact on Earth? How fast is this thing traveling?
Hat tip to the blog Fortuna's Corner.
Regards — Cliff