On Friday, February 7, 2014 10:04:42 PM UTC, Edgar L. Owen wrote: > > Ghibbsa, > > I'm not sure that works because it assumes there is an absolute space > background (sort of like the aether) defined by the NON-rotating center of > the earth. Why would that be the case? In other words what is that "hell of > a lot faster" motion relative too, and why do we choose that frame as the > correct/absolute one? > > Edgar > My concern is that your questions are going beyond my personal knowledge of relativity which isn't much. But, at risk of not addressing the distinctiveness of what you have just said to me (if I don't then apologies), I could try restating what I just said, but slightly differently. - gravity is geometric - two objects at different distances from a massive body, in geosychronous orbit relative to eachother, are not the same frame in relativity, because one is moving faster relative to the speed of the other. Because that's the only way to get geosynchronous situation.
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