Cosmology Joke Mugs

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: 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.