[time-nuts] Pendulums and Atomic Clocks and Gravity :probably more than you want to know...
Dr Bruce Griffiths
bruce.griffiths at xtra.co.nz
Fri Jun 1 19:53:18 EDT 2007
Bill Beam wrote:
> I was afraid someone would say 'Riemann tensor'
> The problem with the Riemann tensor is that I don't
> think that anyone here can write in down in detail
> for this problem (let alone solve it). I surely can not.
> I also don't think that anyone here is ready for the
> idea that there is no such thing as gravitational force,
> and that in the absence of any other force everything
> is in free fall. World lines and geodesics, oh my!
> (inside joke).
Surely its not necessary to write down the detailed Riemann Tensor for
this simple case?
Surely the Schwarzchild metric is a good approximation to situation of a
test mass orbiting the Earth?
If so, then perhaps the methods espoused by Wheeler can be used to
derive the orbits?
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