Random question that I thought of while trying to fall asleep last night. :) We all know that galaxies moving very fast away from us exhibit visual redshift. If gravity waves / gravitons are real, they must then have a frequency of some kind. Does the frequency of a gravity wave affect its strength? (i.e. does a more massive object emit higher frequency gravity waves?) If so, would an object moving away from us be "red shifted" to have a weaker gravitational effect than if it were the same distance away, but moving towad us?