AMA | September 2024

4966.201 - 4987.575 Sean Carroll

Well, that's great, but what modified gravity? How exactly are you modifying gravity? What dark matter candidate? Where exactly does it come from and how does it behave, right? So even what you call a model is ill-defined. But you have preferences, and this is well known that scientists will prefer different hypothetical models, even though they completely admit that we don't know yet.