Ahh, Summer.

I love summer. Who doesn't? When answering a question from a friend's teen about why there are seasons, I recalled an animated graphic I made for Wikipedia's article on the Equation of Time. Using the most excellent Mathematica, I modelled the Earth's orbital components and calculated the components of the Equation of Time, generating a series of graphs that were combined to form the animation. The Sun, time, and the seasons all in one...