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Hi, Mark, Rod, Fer! Hi everyone!
Now I realize that 45 deg is the
solution to the 'maximum difference between North and South'
problem.
I liked the idea from Rod and Fer of truncating an
sphere to show the Sun's movement. And of course
the results from Mark are smashingly
self-explanatory (we might as well define 18% as the Gingrich
constant :). I was mislead by my intuition and I
thought this was going to be even lower and it would
happen in the Arctic Circle... I got this wrong
impression by looking at the lines that azimuthal sundials
draw for different latitudes.
It's really funny squeezing your
mind with this all, isn't it?
Anselmo Perez Serrada
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