Speaking only of approximately spherical moons, planets, and stars (not asteroids), which rotate about their axis, are the axes all pointed approximately the same direction?
Is it true for moons and their parent planet?
Is it true for planets and their parent star (solar system)?
Is it true for...
I googled this question and found sources which claimed the moon slowly, over about 27 days, rotates on its axis. Yet wouldn't rotating at a speed so that about 40% of the moon never faces the Earth suggest that it is rotating around an axis somewhere inside of the Earth, rather than inside of...