(Bad Astronomy, Philip C. Plait 2002:167-72) “Shadows on the Moon are complicated because there are several light sources; the Sun, Earth and the Moon itself. Light from these sources is scattered by lunar dust in many different directions, including into shadows. Additionally, the Moon's surface is not flat and shadows falling into craters and hills appear longer, shorter and distorted from the simple expectations of the hoax believers. More significantly, perspective comes into play.