medieval Muslims were obsessed with the symmetry and beauty of the Moon and left behind one of the most advanced records of its motion of the and phases which had a substantial influence on astronomy. Here’s one of my favorite diagrams from the famed 11th c polymath al-Biruni
I too am enjoying Hunter Biden being a great poster, but some people are a little too surprised that the son of a President is smart, well-informed, and good at communicating, as if they think addiction only happens to idiots