Between Thought and Expression links this interesting piece about a ‘Moon Museum’ secretly smuggled aboard Apollo 12 and installed on the moon in 1969.
Warhol’s contribution…is described as “a calligraphic squiggle made up of the initials of his signature.” Actually, it’s a drawing of a penis.
Way to put it out there, Andy! (Warhol’s artwork occupies the fuzzy upper corner of the picture below)