FFS. Another command line tool, that needs a phd in nuclear physics to run. It could at least function with some defaults enabled. I don't have a week to study it thanks, I'll run an earth screensaver instead. I believe it's time the programs changed philosophy. Really
It takes some doing, but this program can be used to make beautiful renderings of just about any body in the solar system. I use a script to render earth as a projection superimposed with recent cloud cover data and a day/night filter to make an interesting desktop background.