Lunar Phases and Eclipses

作者：Steven Blumsack

By moving the "moon" around the earth (upper right), changes in the phases of the moon can be seen. By moving the "Shadow" of the earth towards the moon, various stages in a lunar eclipse can be seen.

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trigonometry4
Compositions of Two of the Same Transformation
Measuring Angles (Harder)
Monte Carlo Pi
Math 8 Tasks

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幾何中心或重心
Linear Equations
Pythagoras or Pythagorean Theorem
數
減法

Lunar Phases and Eclipses

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