![]() ![]() ![]() Due to a phenomenon called "relativistic Doppler beaming," gas in the disk that's moving toward us makes that side of the disk appear brighter, the opposite side darker. As our viewpoint rotates around the black hole, we see different parts of the fast-moving gas in the accretion disk moving directly toward us. The greatest distortion occurs when viewing the system nearly edgewise. The black hole’s extreme gravitational field redirects and distorts light coming from different parts of the disk, but exactly what we see depends on our viewing angle. This movie shows a complete revolution around a simulated black hole and its accretion disk following a path that is perpendicular to the disk. ![]()
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