You know how they say if you get too close to a black hole, you will get stretched like spaghetti because your feet are closer to the black hole than your head, and they experience more gravity? Here's what I think would happen. Assuming you are orbiting the black hole (a good assumption since you are probably not going to fall straight in) each part of your body will have to orbit at a speed depending on how close it it. That means that your feet will have to orbit faster, and your body will get stretched out a long distance around the black hole, maybe multiple orbits. Alternately your body can orbit as a unit, but then you will experience a strong force from top to bottom.
However, as you get closer, time slows down, and force (which is m*d^2x/dt^2) would decrease by the square of that dilation. Would that be enough to counteract the stretching force? And, if you are moving in relativistic speeds around the black hole, that would cause shrinkage in the orbital direction, which would also counteract the stretching.
I guess we can't know for sure without doing the math.
Saturday, August 04, 2007
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