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I'm sorry my explanation wasn't clear. The reason why duplicate copies are seen in is because the light can loop around space multiple times before reaching you
by kkwteh 4y ago
I'm sorry my explanation wasn't clear. The reason why duplicate copies are seen in is because the light can loop around space multiple times before reaching your eyes. If you launch a long rope to a distant cylinder, look at what you see in the bottom left miniature. That's an indication of the looping path that the light is taking from that cylinder to reach your eyes. Launch a rope at different cylinders to see what some of the different paths are.
As a side note, if you lived in a small three-dimensional sphere, you would be able to see an object located at the antipodal point smeared out in every direction, because following a geodesic in each direction leads to the antipode.
I've seen this visualised in the video game Hyperbolica.