Yo-Yo Tricks That Can Only Be Performed In Outer Space [Video]

The astronauts and cosmonauts aboard the International Space Station are pretty busy when it comes to their research and work, but they do get free time. This is NASA Astronaut Don Pettit, who uses some of his free time to practice yo-yo tricks that can only be performed in microgravity. Check out these other worldly yo-yo tricks after the jump.