Good answer, but it's not what I've got on the card. Actually it's that the Moon never shows its backside to us, whereas that scamp YHWH loved to flash the ol' Marmite tunnel around. Thick lips, bad breath.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'