Hi, I would like to create an animation to better explain what happens
during an eclipse.

My scene is:
camera
{
        orthographic
        location <25, 5, -50>
        look_at <25, 0, 0>
}

#declare sunlight =
sphere
{
        0,10
        pigment { rgbf <1,1,1,1> }
        finish { specular 5 metallic}
}

light_source { 0 color rgb <1,1,0.6> looks_like { sunlight } }

#declare earth =
sphere
{
        0, 5
        pigment { ... }
}

I would like to "see" the shadow the earth casts on the direction opposite
to the sun. I think that the correct "media" for the space could do the
trick, showing a yellowish light on all the scene but a darker cone behind
the earth. Until now I had no luck, the scene gets extremely white or like
with no media; any advice on how I can achieve what I want?

thank you
Alessio Sangalli

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