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Can you actually see in real-time the
motion of this sound? I don't think so. The evidence that it's a sound wave seems to be the geometry of the pattern itself. Since there's no long-term observations to determine actual velocity of the waves, the question remains open as to whether they're 'gravity waves' propagating at c or sound waves in interstellar gas. IF they are GWs, their chaotic pattern suggests a violent event in the object's past. Possibly the merger of a binary BH pair and subsequent ringdown to the now-quiescent state. oc Anti-spam address: oldcoot88atwebtv.net Change 'at' to@ |
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