4 ms·
You also have to do other things like not break General Relativity. Which MOND does: it creates huge problems fitting into GR. Whereas dark matter as just reg
by XorNot 2y ago
You also have to do other things like not break General Relativity.
Which MOND does: it creates huge problems fitting into GR.
Whereas dark matter as just regular mass that interacts poorly by other means does not.
- jampekka 2y agoThere are modified gravity theories that are compatible/extensions to GR, e.g the f(R) gravity theories. Nobody probably believes MOND as such is some fundamental theory, rather as a "theory" it's sort of a stepping stone. Also MOND is used often interchangeably (and confusingly) with modified gravity theories in general.