A simulation of planet orbits and calculation of the average distance between planets
https://physicstoday.scitation.org/do/10.1063/PT.6.3.20190312a/full/
Calculations and simulations confirm that on average, Mercury is the nearest planet to Earth—and to every other planet in the solar system.
This little piece of code runs a simulation in order to proof the above result. It works with Python 2.7 and the PyGame library.