> If you put the appropriate amount of dark matter in there, with the right distribution, you can reproduce the observed rotational curve. What is the "right d

> If you put the appropriate amount of dark matter in there, with the right distribution, you can reproduce the observed rotational curve. What is the "right distribution"? If it's not roughly uniform, it's unlikely to result in a uniform flatness of rotation curves, across the distances in the galaxy. This seems almost impossible when accounting for clustering within the galaxy. I would believe such a uniform distribution of DM would be possible, if Dark Matter is something that exists/acts differently than matter. For example, if there were space-time bumps that form. Small bubbled/hilled spacetime is created in reaction to masses traversing it? ie the classic ball on a sheet, except it behaves more like a liquid than a sheet. This feels like a blow to Dark Matter theories, regardless.