In the wake of Jeff Bezos riding a ‘giant phallus’ to space, art historian Michael Lobel reminds his Twitter followers of The Moon Museum (1969), “a tiny ceramic wafer with images by six artists covertly attached to the Apollo 12 spacecraft and reportedly left on the moon’s surface.” Realised by American sculptor Forrest Myers in collaboration with scientists from Bell Laboratories, the tile includes a sketch by Andy Warhol “that can be interpreted as a penis or a rocket ship.”