Even the most basic yo-yo tricks depend on the toy’s ability to keep on spinning. But why does it spin so fast for so long?
Any number of forces can mess up a spacecraft’s flight path on its way to where it needs to go—but spinning helps average those torques to add stability to the trajectory. But when a satellite does successfully reaches orbit, how does it stop spinning?
In his down time, NASA astronaut Don Pettit likes to practice his yo-yo skills. In space. Commencing child-like wonderment in 3... 2... 1...