Pear_light_diagram

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Comment by Richard Robinson on January 1, 2012 at 20:05

Yes that's it exactly, the darkest area where light is occluded (obstructed) by two surfaces meeting.

Comment by Dania Bree on January 1, 2012 at 16:39

I have to ask - what is an Occlusion Shadow ?  Aside from it being where two surface meet - is where is the darkest ?