1. include "colors.inc"
2. include "functions.inc"

camera { location <0,10,0>*1 look_at <0,0,0> }

/* light_source {

<0,1000,0>*1000*1000*1000
color rgb <1,1,1>

}

• /

1. declare sun1= object {

sphere {0,1} texture { pigment { granite scale 0.5 color_map { [0 ,color rgbt <1,1/2,0,1>] [1, color rgbt <1,1,0.5,0>] } }

finish {ambient 1}

}

}

#declare media1= sphere {
           0, 1
           pigment { 
               rgbt 1 
           } 
           hollow
           interior { 
               media { 
               samples 30,40

scattering {3, 1 }

                   emission 1/2
                   density { 
                  //    spherical 
                       function { exp(-2*sqrt(x*x+y*y+z*z) ) * f_onion(x*1,y*10,z*1) }
                    //   poly_wave 2
                       density_map { 
                           [0 rgb 0]
                           [0.5 Orange]
                          // [ 0.8 Red]
                           [1 Yellow]
                       }
                       scale 1 scale y/2
                   }
               }
           }
           scale 1
       }

light_source {

<0,0,0>
color rgb <1,1,1>*1

looks_like { object {sun1 scale 1/2 } } }

object { media1 scale 6 scale y/2}

1. declare symbol1= object {

//sphere {0,1} cone { <-1, 2, 0>, 1/2, <1, 2, 0>, 0 } scale y/20 texture { pigment { color rgb <0,0,1> }

finish {ambient 2}

}

}

1. declare planet2= object {

sphere {0,1} texture { pigment { //agate wrinkles scale y/5

scale 2 color_map { [0 ,color rgbt <1,1,1,0.0>] [1, color rgbt <0,0.5,0.5,0.0>] } }

// finish {ambient 0.5}

finish {

   //    irid { 
    //       0.25 
     //      thickness 0.6
     //  }
     //  brilliance 1
      // metallic
     //  specular 3
     diffuse 0.6
     phong 0.1
     specular 0.2
     }

}

}

1. declare rr=5;

1. for (n,90,720+90+45)

1. if (n>90)

object { symbol1 scale 0.2

#declare rx=sin(radians(n))*rr; #declare rz=cos(radians(n))*rr;

rotate y*n

translate <rx,0,rz>

#declare n=n+15; //#declare rr=rr-0.02; #declare rr=rr*0.97; }

1. end

1. end

object { planet2 scale 0.35 translate x*rx translate z*rz }

object { planet2 scale 0.35 translate x*5 }

//object { planet2 scale 0.35 translate x*1.8 }