Re: (TFT) Space travel - galaxy sized dyson spheres.

[Jim Kundert <gypsycomet@gmail.com>]

Recent readings from the Voyager craft seem to indicate that the solar
wind varies quite a bit and spins with the sun.  That could make the
stresses on an enclosed sphere rather extreme.

On Mon, Dec 5, 2011 at 2:09 PM, PvK <pvk@oz.net> wrote:
> Yes, the Wiki is correct that gravitational forces would cancel. I think you are right about the unevenness of solar wind, so there would need to be a way to balance all that. But if you can get the darn thing there in the first place, then I doubt that station-keeping is going to be a tough engineering problem for someone who has solved the construction problem. Not to mention for someone who is so bored that they are doing something so inefficient as making a Dyson Sphere.
>
> --- denisdesharnais@gmail.com wrote:
>
> ...
>
> Assuming it's actually a perfect sphere, and was perfectly placed, wouldn't
> gravitiational effects cancel?  I think solar wind doesn't blow equally
> hard in all directions all the time, so the reduced surface-area of a net
> would be better.
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