black holes don't look like a black orb. I'm sure you know this; for those who don't they're a distortion in the sky, a spot where a star isn't that grows and consumes all the light the closer you get to it.
It's extremely hard to depict in film or photography -- the fixed and static depictions make showing how different it is, the way the sky gets blacked out gradually. This game tho, could easily use the distortion effect that the enhanced graphics suite uses to apply a distortion affect to ship explosions to replace the "black star" graphic for black holes with a single black point, that gets distorted into being larger and larger the closer you get to it with the background it's blocking out being flattened into a ring that's squashed around the growing void, with the "event horizon" terrain being applied once the blacked-out sky takes up half the screen with your own fleet becoming a part of the distortion ring with a mirrored version of yourself on the far side of the ring