Useful Links about the motion of a Free Symmetric Top (FST) ( a.k.a. an American football in the air ) • Video of Drew Brees throwing a perfect long bomb - good stuff starts 6 minutes in - includes hilarious use of the phrase "gravitational torque" • Java applet illustrating the motion of a Free Symmetric Top - requires Java browser plugin - how to handle Java security errors • Detailed article from 2007 discussing a football in flight - describes the presence and effect of torques ... due to aerodynamics, not gravity