I've always loved this gif from Wikipedia: https://commons.m.wikimedia.org/wiki/File:Lunar_libration_with_phase_Oct_2007_450px.gif#mw-jump-to-license https://co

I've always loved this gif from Wikipedia: https://commons.m.wikimedia.org/wiki/File:Lunar_libration_with_phase_Oct_2007_450px.gif#mw-jump-to-license https://commons.m.wikimedia.org/wiki/File:Lunar_libration_wi...