Five Interlaced Crescents
Generalization:
Let A and B be two disks with radii a and b.
The set difference A\B is used to plot the moons
in the following animations.
Animation parameter: the position of B
Animation parameter: b (the radius of B)
Animation parameter: the position of A
Animation parameter: a (the radius of A)
( Mathematical softwares used: gnuplot, GeoGebra )
