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am_Unition  ·  3671 days ago  ·  link  ·    ·  parent  ·  post: What black holes actually look like - discovered by a scifi film team

The best takeaway is a summary of your last paragraph: What black holes "look" like is primarily determined by their surroundings.

There are other intrinsic properties of a black hole (mass/size, spin, and charge) that will affect appearances, though not as much as surroundings.

In the picture produced by the "Interstellar" simulation, it looks like they've simulated a more or less symmetric/homogenous accretion disk.