On Fri, 16 May 2003 11:16:15 -0400, Christopher James Huff
<cja### [at] earthlinknet> wrote:

>For example, our atmosphere scatters blue 
>wavelengths more than red ones, making the sky appear blue except for at 
>sunrise and sunset, where you're seeing the wavelengths that weren't 
>scattered as highly. This effect is enhanced by dust in the air, but I 
>don't think it depends on it.

It's just that the nitrogen molecule scatters blue. Dust can be of any
color, making up for some gorgeous sunsets after a sandstorm (we had
some last month when a heat wave from North Sahara hit us.)


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

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