A scientist's mesmerizing animation shows how our entire solar system orbits an unseen center -- and it's not the sun

Our solar system orbits an invisible point at its center called the barycenter, from which its mass is evenly distributed. Even the sun orbits this point — so the center of the solar system doesn't always align with the center of our star. Planetary scientist James O'Donoghue made an animation to show how the sun, Jupiter, and Saturn play tug of war around the solar system's barycenter. Visit Business Insider's homepage for more stories. It's common knowledge that the sun is the center of the ...