This picture is awesome to say the least. It is a fact that stars appear to move as the
Earth rotates. This concept is something that is hard to understand as the speed at which the stars seem to move is very slow, as ooposed to a car speeding by you. This image is a tactual piece of evidense, rather than a verbal description to try to imagine what occurs. Also the circular motion of the stars and at the corner shows why the Northern Star is so important. As the Earth rotates there is one specific star that basically stays in one spot. This was important for thousands of years of traveling. I'm not entirely sure what the yellow lines are, I guess just some debris or something, because those are obviously not celestial objects.
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