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

အခြေခံ data အခေါ်အဝေါ်များ
Building Triangles with Set Areas
Rolling an Equilateral Triangle
Superellipse
Rolling Circles and Polygons

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circumfrerencxe
Constructions: Bisect an Angle
Complex rotation
رسم الاقتران ومشتقته الأولى والثانية
Picking Representatives: IM 6.9.6

Discover Topics

Isosceles Triangles
Expected Value
Linear Programming or Linear Optimization
Cuboid
Ellipse