Mugwump wrote:
By the way, you can see this issue cropping up in many, many Apollo photographs. Just browse the NASA archive and look for yourself.
The same goes for fully illuminated astronauts backlit from behind in an ultra-high contrast environment.
Try matching those photos using a single speedlite set eight or so feet behind the subject in a dark room. Like I said, a speedlite is a good analogue because it is a relativity small light source. Indeed, speedlites are often used to fake the presence of the sun.
This is why I use the term THEATRICAL LIGHTING.
The Sun is not a relatively small light source, though. It is almost 1.4million km in diameter) compared to the Moon's tiny 3,476 km.
Due to the large distance between Sun and Moon, it is close enough for basic purposes to assume that the incoming light rays are parallel, although obviously the "speedlite" of the distant Sun is still actually far bigger than the object Moon, so even at sun-moon distance the rays from the "top" and "bottom" of the light source (the real Sun) are actually still slightly converging. Not a "small" light source.
So your basic premise is false, because you don't understand simple geometry. Your "experiment" confuses actual size with apparent size.
