Your geometry course "for me" does the following:

It is from a conflation graph, one whose purpose is to show axis location in the body, and total movement *of whatever kind*, relative to that axis. Drawn and thought of as a stationary body but accounting for non-stationary axial direction movements, yes, the Moon spins on its axis.


But if drawn to indicate not what the axis does over space, but what the body does relative to its axial forward momentum ... no, the Moon does not spin on its axis, properly speaking.

Its *axial path* in your graphical idea, is drawn on the spot and so yes, you can see the total turn made by the axis on the path, and measure the end-put angle at the end (which is 180 degrees).

But if drawn to indicate not what the axis does over space (a path with forward momentum drawn in place), but rather to show the actions of the Moon relative to that path, the Moon would show no turn on its axis, whereas the Earth would.


You_are_an_idiot.