"Mike Williams" <nos### [at] econymdemoncouk> schreef in bericht 
news:Qs8### [at] econymdemoncouk...
> Wasn't it Thomas de Groot who wrote:
>
>>One thing I wonder about is the difference of luminosity of the landscape
>>inside and outside of the rainbow. I am not sure if this is a RL feature.
>
> Yes. The lightness of the rainbow itself has to come from somewhere. Some 
> of the light that would have come from the dark "Alexander's band" as you 
> see the rainbow is deflected to make the bright coloured stripes of 
> rainbows that are seen by people standing beside you.
>
> http://en.wikipedia.org/wiki/Alexander%27s_band
>
> -- 

Thank you indeed Mike, excellent explanation. I understand it now.

Happy Christmas.

Thomas

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