> Clearly, the 'curvature' equations of GR apply 'locally' at the
> planetary/stellar level but break down at the galactic level.
>
> In deep intergalactic space, the hydrodynamic pressure of space is
> highest. And the *acceleration rate* of any spatial flow (curvature of
> space) is highest out there. 'Locally', at the stellar/planetary level,
> the acceleration rate/ curvature has gotten stepped 'waaay down to where
> it _creates_ the inverse square law of gravity we observe locally.