[1/5/1/1/7/1] View from the right above position of the circumferential motion of a white sphere
Suppose that a sphere moves around the black hole freely. Different from Newtonian physics, the perihelion of the sphere shifts under a curved space-time. The following movie shows the case that the shift can be clearly observed. In this movie, the gravitational radius is supposed to be 0.02 light second, the velocity of the sphere at the aphelion is 0.1 light speed. The surface temperature is supposed to be 5000 deg. K. The view angle inclined from the pole is 11 deg. The CG program can generate no image at the pole because any point at the pole is an singularity in the polar coordinate.
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