3. Atmospheric Optics
> ----------------------------------------------------------------------
> "Light playing on water drops, dust or ice
crystals in the
> atmosphere produces a host of visual spectacles -
rainbows, halos,
> glories, coronas and many more. ... Find out where to
see them and
> how they form." The site includes images and
information about
> light rays and shadows, optical effects created by
water droplets,
> ice halos, and high atmosphere phenomena. From a
retired physicist
> and expert in atmospheric optics.
>
> http://www.sundog.clara.co.uk/atoptics/phenom.htm
> http://lii.org?recs=020746