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MOND only really does well on galactic rotation curves because it has free parameters that are tuned to "predict" the correct answer for galactic rotation curve
by adgjlsfhk1 6mo ago
MOND only really does well on galactic rotation curves because it has free parameters that are tuned to "predict" the correct answer for galactic rotation curves.
- wetpaws 6mo ago[dead]
- dnautics 6mo agoI think you mean LCDM only does well on galactic rotation curves because it has free parameters per galaxy. MOND only has one free parameter, maybe two if you use the MOND+Relativity model that doesn't work.
- drdeca 6mo agoI don’t think these are free parameters in the same sense. Like, if one theory says that a hunk of metal actually is made of many microscopic grains of various sizes and orientations, where the sizes and orientations of these grains has an effect on the behavior of the metal, you don’t count the “the sizes and orientations of these grains” as free parameters, do you?
- adgjlsfhk1 6mo agoYou would if you didn't have any ability to observe those sizes and orientations.