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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
Rossler's Attractor
Mandelbrot 2
Marion's Theorem
Linear Combination of Vectors
Deciding How New Information Affects Probability
Discover Resources
Vlak met vergelijking
Sean Jackson Constructions
trace2
Worksheet 2, Exercise 2
Blank vertical numberline
Discover Topics
Ratios
Hyperbola
Congruence
Polygons
Upper and Lower Sum or Riemann Sum