Warp <war### [at] tagpovrayorg> wrote:
> > Ah but why use expensive rockets and stuff to go fast round the Earth when
> > you can just aim towards a black hole and get a huge speed-up for free (plus
> > it returns you roughly back towards Earth if you aim correctly).
>
>   I think the slingshot effect is not dependent on the density of the larger
> object, only on its mass and velocity (or, in other words, momentum). So
> a black hole wouldn't make any difference compared to a regular star of
> the same mass and velocity.

Allows for a much more "slender" parabola though... and, besides, a smaller
radius to the star's center, for more gravity and therefore more of the
time-dilating effect ;)


(someone sing "let's do the time-warp again"...)

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