If you kick a soccer ball in a particular way it will fly into the goal, at least in Dortmund. If you investigate the spheres of our pendulum you can get acquainted with chaos. If you think about the difference between the soccer ball and the pendulum then you'll soon be on the track of the mystery of chaos and then understand why it is that the Saturn moon Hyperion wobbles irregularly on its orbit, but that you are able to score a goal.