@Elizafox I had never thought of it like that before, but is this the first "dick pic"?

Certainly it's the first one sent from one species to another via space...

Looking at it "less scientifically" I suddenly see this as an ad from a '70s "swingers" magazine...

"We're from Earth and we're lookin' to party! If you get to Venus, you've gone too far!"

#Space #XRatedCarlSagan #UFOPorn #Science #WithoutConsent