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Originally posted by PINGi14
Bringing out the surface details of shadow-covered area is possible because there was source of light somewhere nearby the shadowed area.
Originally posted by PINGi14
reply to post by ArMaP
Here is an example of LROC team member using the same technique to expose the surface detail of shadowed areas.
This is a completely legitimate procedure rooted in proven science. Another dramatic example of similar mechanics at work is the fact on the Moon, Earthshine alone can be enough to light up the Moon as if it was a really really cloudy day on Earth. That is, even in complete absence of Sun light on the Moon, things are not always dark like it is on Earth.