| [00:00:00.00] | [Visualization of orbiting supermassive black holes with accretion disks] |
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| [00:01:18.00] | [Extreme gravitational lensing produces light rings around each black hole.] |
| [00:01:23.00] | [Light deflected by roughly 90 degrees forms an edge-on image of the companion black hole, which rotates as the objects orbit.] |
| [00:01:30.00] | [Gravitational forces and the effects of relativity distort the light rings into rotating ovals instead of perfect circles.] |
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| [00:01:58.00] | [Looking closer, multiple images of each accretion disk appear, each produced by light deflecting back and forth between the two black holes.] |
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| [00:02:21.00] | [The effects of relativity cause the black holes to appear smaller and brighter as they approach the camera…] |
| [00:02:26.00] | […and larger yet fainter as they recede.] |
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| [00:03:05.00] | [NASA] |