Five Interlaced Moons

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 )