Hacker News with Generative AI: Black holes

Black hole feeds at 40 times the theoretical limit (arstechnica.com)
How did supermassive black holes end up at the center of every galaxy? A while back, it wasn't that hard to explain: That's where the highest concentration of matter is, and the black holes had billions of years to feed on it. But as we've looked ever deeper into the Universe's history, we keep finding supermassive black holes, which shortens the timeline for their formation.
Black hole jets discovered that are 140 times larger than the Milky Way (arstechnica.com)
Black hole in orbit around planet could be sign of advanced civilization (phys.org)
Black holes may be a theoretical type of star called a 'gravastar' (livescience.com)
Black holes observed colliding when universe was only 740M years old (theguardian.com)