http://demonstrations.wolfram.com/MotionOfTheMoonPhases
The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.
If the Moon is closer to the Sun than the Earth, then from the Earth most of it will be dark. If the Earth is closer to the Sun, from the Earth most of the Moon will be bright. The graphic on the left shows the Moon in its orbit around the Earth. The gr...
Contributed by: Marvin De Jong
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