I understand that spacetime is expanding between galaxies, as seen with the cosmological redshift. But, is it also expanding inside galaxies, such as the Milky Way? I'm not sure if the galaxy is gravitationally bound enough to where spacetime might actually be contracting within the galaxy, or if it is still partially expanding with the surrounding void, or if it might start contracting some time in the future. In other words, would we say that spacetime within the galaxy is contracting or expanding? And is there any evidence for either?