Cosmology Joke Tank Tops

Description: A playful nod to the infinite regress problem and the classic cosmological joke. Perfect for philosophy nerds, science geeks, and anyone who appreciates the absurdity of asking 'but what holds that up?'

Description: It's turtles all the way down

Description: Express your ultimate passion for space exploration and your supportive marriage with brilliant retro humor! This funny "I Love My Wife Because She Lets Me Watch The Stars" design features a detailed white silhouette of a man looking through an astronomy telescope under a starry night sky. The perfect sarcastic gift for husbands, astronomers, geeks, and stargazers during October.

Description: Express your ultimate passion for space exploration and your loving marriage with rugged vintage style! This funny "I Love My Wife" astronomy design features a highly detailed distressed circular badge showing a man looking through a telescope at the starry night sky. The perfect unique gift for husbands, stargazers, astronomers, and science geeks during October.

Description: Never Forget Pluto Planet T-Shirt - great for planet, science, pluto, astronomy lovers

Description: Does NASA really understand how much size matters? Pluto knows it was big enough for your mom, at least, if not for official planet status in our solar system.

Description: Does NASA really understand how much size matters? Pluto knows it was big enough for your mom, at least, if not for official planet status in our solar system.