Drake Equation T-Shirt Estimation of Alien Civilizations
Brand: The Drake Equation Shirt
Color: Black


The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy.
Ideal shirt for Ufologists, astronomers or those interested in science fiction, the existence of aliens or UFO's. The number of such civilizations N is assumed to be equal to the mathematical product displayed on this shirt.
Lightweight, Classic fit, Double-needle sleeve and bottom hem