Source text:

    #version 3.5;
    #include "colors.inc"
    
    camera {
        location <0, 0, -2.4>
        right x * image_width / image_height
        look_at <0, 0, 0>
    }
    
    sky_sphere {
        pigment {
            color White
        }
    }
    
    light_source {
        <-20, 20, -20>
        color White
    }
    
    sphere {
        <0, 0, 0>, 1
        texture {
            finish {
                ambient 0.3
                specular 0.2
            }
            pigment {
                color Orange
            }
        }
    }