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No this isn’t a story about cyborgs! Have you ever looked up at the waxing or waning Moon and wondered about the line where it separates the visible from invisible? That line, where lunar day meets night, has a name: the terminator (insert corny Arnold Schwarzenegger joke here).
We all know the phases of the Moon are caused by the position of the Moon relative to the Sun. A full Moon occurs when the Sun and Moon are directly across from one another with the Earth in between. Then, about two weeks later, when the Moon passes between the Earth and the Sun, no light falls on the side of the Moon we see, so it disappears from our view. We call this phase a new Moon. At every other angle, the Moon is either waxing or waning, with a fraction of it lit up, and a fraction in the dark.
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James' World 2 
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