"Jetlag" <bga### [at] microsoftcom> wrote in message
news:3a008179@news.povray.org...
> >   Btw, it's a common misconception that light rays coming from the Sun
are
> > parallel.
>
> What I don't understand is why it's so common, it should be obvious; all
you
> have to do is look up when there's some clouds passing by.

    Look at the sky at sunset and wonder why the western clouds throw
shadows that -diminish- in width as they reach the opposite horizon.

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