The original comment were referring to the ring singularity which is different from the accretion disk.
The singularity is unseen, we suppose it’s a ring in rotating back holes, but we have no idea. As anything inside the event horizon, we cannot see what’s going on in there.
The accretion disk is the disk of matter falling into the black hole, it’s outside the event horizon and can be observed.
jerkface@lemmy.ca 2 days ago
You are describing a Schwarzschild black hole. I am describing a Kerr black hole.
Schwarzchild black holes may not exist in reality, though it is thought that rotational energy could sometimes be removed from a Kerr black hole through natural processes resulting in a Schwarzchild black hole.