dave wrote:

> Is there any way to simulate the earths atmosphere in order to produce
> realistic sunsets and how is the sun itself done?
>
> for example:     if the sun is near the horizon the sky turns red if it is
> up higher
>                            the sky is blue.
>
> -Dave

  I'm no expert in this department but I can direct you to a great
tutorial on the subject:

http://members.xoom.com/POVRAY3/

Ken Tyler

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