That’s not a black hole. You can see white spots (stars) in it. No light escapes a real black hole, hence it should be fully black. Also, the black hole cannot exist on a wall like that. That’s not how black holes work.
That’s not a black hole. You can see white spots (stars) in it. No light escapes a real black hole, hence it should be fully black. Also, the black hole cannot exist on a wall like that. That’s not how black holes work.