🚀 go-pugleaf

On Apr 29, 9:36 am, "Sue..." <suzysewns...@yahoo.com.au> wrote:
> On Apr 29, 3:25 am, bill <cosmo...@optusnet.com.au> wrote:
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> > On Apr 27, 2:28 pm, Pentcho Valev <pva...@yahoo.com> wrote:
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> > >http://www.physlink.com/Education/AskExperts/ae13.cfm
> > > Indeed, this is exactly how Einstein did the calculation
> > > in: 'On the Influence of Gravitation on the Propagation of Light,'
> > > Annalen der Physik, 35, 1911. which predated the full formal
> > > development of general relativity by about four years. This paper is
> > > widely available in English. You can find a copy beginning on page 99
> > > of the Dover book 'The Principle of Relativity.' You will find in
> > > section 3 of that paper, Einstein's derivation of the (variable) speed
> > > of light in a gravitational potential, eqn (3). The result is,
> > > c' = c0 ( 1 + V / c^2 )
> > > where V is the gravitational potential relative to the point where the
> > > speed of light c0 is measured."
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> > > Pentcho Valev
> > > pva...@yahoo.com
>
> > I have regrettably misplaced my copy of Muller's book 'The Principle
> > of Relativity'(?) wherein he also provided an equation which allowed
> > the reader to determine the various speeds of a beam of light at
> > different altitudes.
>
> > Could his equation have been identical to the above? I assume so.
>
> "On the Interpretation of the Redshift in a Static
> Gravitational Field"
> Authors: L.B. Okunhttp://arxiv.org/abs/physics/9907017
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> Sue...- Hide quoted text -
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> - Show quoted text -

The flow of light from the pov of matter can have different speeds.
You can travel behind light as it inches ahead. You can leave light
behind by accelerating in space. But eventually the light will catch
up to the fast moving matter.

Mitch Raemsch