Lunar Phases and Eclipses

Author: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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探究長方形對角線上的正方形數目
centripetal force
Example of using color palette
Rolle's Theorem

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Perpendicular Line.
Dilations of a quadratic function
Find the missing angles and sides
proof of Pythagorean
SquareRootTransformations

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Root
Rational Numbers
Optimization Problems
Arithmetic Operations
Polynomial Functions