Summary
In modern physics (which is based on the theory of relativity and quantum mechanics), the aether as a "material substance" with a "state of motion" plays no role anymore. So questions concerning a possible "aether drag" are not considered meaningful anymore by the scientific community. What in fact exists, is frame-dragging as predicted by general relativity, that is, rotating masses distort the spacetime metric, causing a precession of the orbit of nearby particles. But this effect is orders of magnitude weaker than any "aether drag" discussed in this article.
Read more about this topic: Aether Drag Hypothesis
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