3 ms·

>why did these falsifications fail to convince the majority? Because they are cherry picked. In the big picture, for every area where particle DM struggles, yo

>why did these falsifications fail to convince the majority? Because they are cherry picked. In the big picture, for every area where particle DM struggles, you will find a dozen datapoints where MOND struggles. Physicists are also wary of approaches like MOND+particle DM, because it just introduces more parameters which you can arbitrarily tune to explain data. It feels like every week someone comes with a new model that fits certain edge cases better, but doesn't actually tell us anything new or could act as a reasonable guide for future work. You can imagine it like fitting a polynomial of degree N to N data points. Yes it will fit perfectly, but that doesn't mean it's a good model. This is just sophisticated curve fitting to generate papers and not good science.

naasking 4y ago
> Because they are cherry picked. Sure, as are the objections to MOND. > Physicists are also wary of approaches like MOND+particle DM, because it just introduces more [...] You can imagine it like fitting a polynomial of degree N to N data points. Yes it will fit perfectly, but that doesn't mean it's a good model. This is just sophisticated curve fitting to generate papers and not good science. That's exactly what's happening with cold dark matter models. I agree the state of things is unsatisfactory for either theory, we need bolder ideas. Superfluid dark matter was promising but doesn't currently match some observations. We need more of that.