Scott Tremaine, “Astrophysical Wonders” (Open Agenda, 2021)
New Books in Science, Technology, and Society
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Are There Any Alternatives to General Relativity?
Some people have tried to speculate that there's some failure in einstein's theory of general relativity at the largest scales. Drit now, do you have any anyhing you're willing to speculate on? I want to talk about black holes, a specifically a these super massive black holes that are thought to be at the centre of galaxies. Nd, now of a sudden, there are there super duper, you know, hundred million or a hundred zilion solar mased black hole that are in the middle of the galaxy. And if we keep going for another order of magnitude or two, we'll find it. Of course, you should be scepticala and you know, having
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