// Persistence of Vision Ray Tracer Scene Description File
// File: earth.pov
// Vers: 3.1
// Desc: Cloud covered Earth with Moon in background 
// Date: Jan 28, 2001 
// Auth: Michael Koopman (mkoopman@hotmail.com) 

#include "colors.inc"
#include "textures.inc"

#declare clouds =
texture {
   pigment {
      bozo
      turbulence 1.5
      octaves 10
      omega .5
      lambda 2.5
      color_map {
         [0.0, 0.5 color rgbf<.75, .75, .75, 0>
                   color rgbf<.9, .9, .9, .9> ]
         [0.5, 0.7 color rgbf<.9, .9, .9, .9>
                   color rgbf<1, 1, 1, 1> ]
         [0.7, 1.0 color rgbf<1, 1, 1, 1>
                   color rgbf<1, 1, 1, 1> ]
      }
   }
}

background { rgb <0, 0, 0> }

camera {
   location <0, 0, -12>
   look_at <0, 0, 0>
}

light_source {
   <25, 25, -25>
   rgb <2, 2, 2>
}

sphere {
   0, 1
   scale 5
   hollow
   pigment {
      image_map { png "EarthMap2.png" map_type 1 interpolate 2 }
      rotate <18, 190, 0>
   }
   finish { phong 0.5 }
   normal { bumps 0.1 scale 0.01 rotate y*360*clock }
}


sphere {
   0, 1
   scale 5.05
   hollow
   texture { clouds scale 3 rotate y*360*clock translate 2*clock }
}

sphere {
   0, 1
   scale 1
   pigment {
      image_map { png "MoonMap.png" map_type 1 interpolate 2 }
      rotate <18, 190, 0>
   }
   translate <-8, 8, 8>
}

    Source: geocities.com/ronfar.geo