In this animation, the observer (you) is on a far distant circular orbit always pointing to the center of the black hole
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A Kerr Black Hole is an uncharged black hole, which rotates about a central axis This animation shows how spacetime is distorted around a Kerr black hole by surrounding it with 3D grid ©https://youtu.be/h75BbifqDXw pic.twitter.com/QR3HY9ugJc
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How do you define a 3D grid in a curved spacetime?
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i think what they did was define the 3D grid before the black hole was there in flat space and then placed the black hole at the center origin
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HOLESOME
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Kinda tesseractical
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The fact that there is no Birkhoff theorem for axially symmetric stationary spacetimes gave me a headache a few weeks ago.
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But this doesn't show the Lense-Thirring effect, does it? Is the background rotating with the grid?
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This is wild
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Another explanation is: imagine your shirt is inside out and you turn it outside in and then turn it back inside out and keep repeating that pattern. It turns within itself. Flipping all the axis is like flicking a light switch, on and off, like a wave particle’s binary code.
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