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.

New Resources

Neuberg's Theorem
From Polar to Cartesian Coordinates
bewijs stelling van Pythagoras
Select an object for a time to start a command. Light
函數的奇偶性

Discover Resources

Triangle project 2.0
FOIL unearthed
Area of Regular Polygon
AM 2015 P1 Q7
Conic Sections ( Zoom out for better view)

Discover Topics

Calculus
Geometric Distribution
Pyramid
Straight Lines
Dilation