Posted 02/23/2013 18:00:00

Either Mike gets the secret of time travel, or all his students fail the exam. It's a win-win situation!

In case you ever want to know how far you can throw a football on Ceres, I wrote a Mathematica notebook that calculates trajectories of objects around various planets and asteroids in the Solar System. If you have the free Mathematica CDF player you can try out the notebook.