Don't forget pulsars in this. Some of them rival atomic clocks and they are a long way away and still line up nicely with our hydrogen masers synchronized to caesium standards.
Jim Palfreyman On Saturday, June 12, 2010, Mike S <[email protected]> wrote: > At 10:46 AM 6/11/2010, [email protected] wrote... > > (Speculative hint: We accept that the universe is expanding. Might this affect > the fine structure of matter, including cesium atoms? Is there any adverse > proof? What is easier to think? a) the expansion of the universe doesn't > affect > at all the properties of matter. b) it might.). > > > If the expansion affected everything, how would we know? Are you claiming > that it affects different things differently? Why? (if it affects all things > equally, then both the earth and clocks would slow/speed the same, and we > wouldn't observe the earth slowing down) > > The universe, as a whole, is expanding. The matter and objects within it are > not (generally - some things like my beer belly are, but that's unrelated to > universal expansion). The result is objects, on an universal scale, stay the > same size but get farther apart. To your point (expansion affecting small > structure), why would expansion take effect at very large scales, and very > small scales, but not at the scales in between? > > But, relativity (not just Einstein's form) can apply everywhere. One can > create complex math/physics which allows the Earth to be at the center of the > universe, with everything else revolving (in very complex orbits) around it. > Having done so, no one can "prove" that it's not true. But, that's not what > most people accept as "fact," because it is FAR from the simplest explanation > of what we observe. So, if you want to believe that clocks speed up, and the > earth's rotation remains constant, you can. But don't expect others to accept > that. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
