"H. E. Day" wrote:
> 
> Athre.
> This is a completely digital and random world. No, I must repeat, no images
> or texture maps were used in the creation of this image.  All textures are
> purely procedural, and are created internally with PovRay.  Total file size
> is....wait for it........3K.  That's everything. Clouds, land, atmosphere,
> everything.
> Please comment, and enjoy!
> <IMG SRC="http://forums.scifi-art.com/ubb/ubbhtml/uploads/athretest.JPG">
> --
> H.E. Day
> <><

Nice, but I think that blue colorisation on edges from such distance is 
too much and shadowed part shouldn't be visible either. As proof of it 
here are links to pictures from Apollo Moon mission:
http://images.jsc.nasa.gov/images/pao/AS17/10075946.jpg
http://images.jsc.nasa.gov/images/pao/AS11/10075246.jpg

As I understand it, this blue colorisation could be observed only 
from lower position, when camera shoots more across planet surface:
http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=STS41G&roll=42&frame=26&UID=SSEOP&PWD=sseop

Of course reality is sometimes not so beautiful as some images ;-)

It would be nice, if clouds could cast shadows to land, but this 
might be tricky...

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