I've found a very cool command/prop tool to make b lack holes much more realistic and powerful. Whenevr you put a black hole (dont put too much) Type on the console: !set tmp bhol 999999999 (its 9x9's!) And ppress 7 for better visual results. Here's a comparison:

I use the same amount of BHOL.

Here's the comparison

Before:

After:

Before:

After:

As you can see, this console command make black holes look and act like the real ones.

Again, heres the command: !set tmp bhol 999999999 (Dont forget 9x9's!)