[TML] White Dwarfs, Black Holes & 100 Diameters

Timothy Little tim at little-possums.net
Sun Nov 4 21:02:40 MST 2007


On Sun, Nov 04, 2007 at 03:54:54PM -0500, Jerry W Barrington wrote:
> This could complicate the game math.  Altho complete cancellation
> would be unlikely, how do we find possible reductions?  Find a safe
> jump point that is closer would always be useful!

Non-negligible reductions in jump limit wouldn't happen frequently.

The best-case cancellation from another major body is where the other
body has tidal gradient at right angles to the original body, with
relative strength 2/3.  This reduces the gradient strength by 25%,
which corresponds to a 9% reduction in jump limit distance, which in
turn implies less than 5% reduction in travel time to the jump limit.

Hence to within a few percent, almost all cases of interactions of
gravitating bodies could be simply ignored.


- Tim


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