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The Question

(Submitted January 29, 1997)

Is a black hole planar? Like, if you went UNDER a hole, what would happen?

The Answer

Black holes are really 4-dimensional (3 dimensions of space and 1 of time). Sometimes we see drawings of a black hole that may make it look like it's 2 dimensional, but that's because we don't know how to draw 4 dimensional objects on a piece of paper.

Best wishes,
Koji Mukai

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