Paging unsuspectingly through the latest issue of bild der wissenschaft (German popular science magazine), what did my eyes see in an article on astronomy history: Galileo has drawn an alien on the lap of a man (with face mask?) – on the moon! Don’t believe it? See yourself – on the left the original drawing (from Wikipedia)1, on the right with colors so you can see it more clearly:

Or what are you seeing?

( Yes, of course that’s only a joke! — See “pareidolia”.)

1. the one on the lower left corner, rotated by 180° as in the bdw ↺