On this day in history, Nicolaus Copernicus's book On the Revolutions of the Heavenly Spheres was added to the Index of Forbidden Books 73 years after it was first published. To celebrate the attempted suppression of this revolutionary work, we're taking a look at ten of our favorite naked celebs floating in space! These are the truly heavenly spheres that we're obsessed with, orbiting in space without a care in the world! Please enjoy our Top Ten Heavenly Spheres!