Trevor wrote: > When I see the sun shining again I'll have a play around with it in > order to see where the focal points end up as the sun moves across the > sky (OK - pedants please take note that I *do* know that the sun itself > doesn't actually move, relative to the boat that is .... it is the > *earth* that moves - or used to when I was a lot younger <g>)
But the sun does move relative to your boat. From memory, there is no fixed frame of reference, so any and all frames of reference are equally valid. Taking Wyrd as a reference point for celestial mechanics is a perfectly valid, if somewhat unorthodox, option. Terry Streeter NB Arun - Berkhamsted
