Re: a new Yahoo Group for "Dance of the Planets"


"Mike" <M.GS@xxxxxxxxxxx> wrote in message
news:BWw8e.32174$hB6.3836@xxxxxxxxxxx
>
> "Greg Neill" <gneillREM@xxxxxxxxxxxxxxxxxx> wrote in message
> news:4it8e.62$Jg5.18604@xxxxxxxxxxxxxxxxxxxxxxxx
> > "Mike" <M.GS@xxxxxxxxxxx> wrote in message
> news:oXn8e.35124$qO6.4028@xxxxxxxxxxx
> >
> > > OK....I think I got it!........ from what your saying, a change in
> > > volume/size of the mass plays a role in how much the space-time fabric
> in
> > > warped by the occupying mass.
> >
> > ... in the region occupied by that mass.
> >
> > >
> > > So when using the balloon or bubble analogy, it would seem varying the
> > > density would be the most practical way to change the geometrical
(size)
> of
> > > the sphere.
> > >
> > > So rephrasing the original question: it would be possible to alter the
> > > orbital paths of the planets by increasing the density of the Sun and
at
> the
> > > same time reducing its radius. I hope that's correct.
> >
> > Density varies inversely with the cube of the radius, so for a
> > constant mass, a decreasing radius means an increasing density.
> > Fine.
> >
> > But it will have no effect on bodies orbiting outside the mass.
>
> Well then, if increasing the density of the Sun while reducing the radius
> and keeping the mass the same will not effect the orbital paths of the
> planets.
>
> Then I guess my planetary migration idea goes right out the window.
>
> Were screwed then. Were stuck on this planet with no way out.
>
>

Unless you can think of somthing else. Do you have any ideas?


.

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