Carl Sagan's Secret Ingredient T-Shirt | A Pinch of Cosmic PerspectiveDescription Add a dash of existential awe to your wardrobe with our "Carl Sagan's Secret Ingredient" tee, celebrating astronomy's poet laureate and his knack for making us feel simultaneously insignificant and extraordinary. This stellar design features an astronaut helmet reflecting the swirling majesty of a galaxy much like how Sagan's mind contained universes of wonder that he somehow distilled into PBS friendly monologues. The vintage emblem style