Moons revolve around planets. Planets revolve around stars. The entire solar system moves in a circular path within the galaxies. I was wondering whether galaxies also move in a circular path around something. Do galaxies rotate?
True but irrelevant to the OPs question, which as nothing to do with how galaxies are moving relative to US but rather how they are moving relative to themselves and to any objects by which they are gravitationally affected, and with the rest of the galaxy.Galaxies speed and direction can be measured by the Doppler Effect. If the spectrum is shifted to thhe Red they are moving away and to the Blue they are moving towards us.