I am quite confused... I'll state that up front to make it simple. ^_^ Here is my question, though: Assuming that the universe at some point started from a singularity, err... or even that, assuming that the universe is expanding at a rate that has varied over time... I assume that it's implied that is is, first off... I may be wrong, but if people generally believe the universe started small, is expanding and that at some point it will contract again, there has to be some acceleration going on somewhere.... Hubble's constant involves change in rate of speed of something over distance from us ... Okay, I'm lost... But, if the galaxy is picking up speed, accelerating in a certain direction, and the earth is rotating and revolving and all that... we're definately not in an inertial frame. How come at some points during the day/year/etc there isn't an increased force on us in one direction over the other due to the expansion of the universe? I'm guessing that the problem lies in my lack of complete understanding of general relativity, but ... that's my question. Where did I go wrong?