Amr Abdallah Dalsh/Reuters
An astronomer's animation reveals how far the average person could throw a ball on different worlds. On Pluto, your baseball could clear the Great Pyramid of Giza. On Jupiter, it plops to the ground. Watch a ball throw on each planet in our solar system, plus Pluto and the moon, below.Imagine throwing a baseball. Easy, right? Maybe you've already done it...