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Phases of the Moon
Author:
Keith Harrison
Move the moon (red point) to see its phases (right picture). Change time of day (blue point) to see where moon appears in the sky.
GeoGebra
This animation assumes that earth's axial tilt, and the tilt of the moon's orbit, are both zero.
New Resources
Open Middle Logarithm Exercises (1)
Rings of circles
alg2_05_05_01_applet_exp_flvs
Chaotic behaviour
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
Angles in a Circle (Exploration - Angles Rounded)
Rational Function Game
Volume Benda Putar -1
Lesson plan - Fibonacci Spirals
треугольник
Discover Topics
Area
Cube
Definite Integral
Ratios
Linear Functions