- 7 years ago
RVG#3,3 20. The object is crossing from the left to the right out in front of you between the Earth and Moon. The "Sun," the actual real Sun, is positioned behind the viewer, behind the Earth, in line with the Moon and the object and the Earth. At first the shadow travels from left to right and at the same time the shadow is traveling on an angle away from you that is steadily increasing as the shadows lengthen.
Initially there is a lot of left to right motion.
Later as the lines of the shadow grow very long the angle they are seen at has increased greatly and now the shadow is lengthening and traveling almost all the way up to ninety degrees, "or straight away from you. As the object continues to cross the shadow goes from having a lot of left to right motion all the way to nearly traveling straight away from you without any motion from the left to the right at all. The lines of the three main shadows become straight as they pass over the flat whiteness of the valley turning the the f