Give it up for the Godfather of skeptical inquiry!
If you grew up watching Cosmos you know how cool this guy is. If not, you need to take the shirt's advice and listen to Carl Sagan immediately.
Our girls shirts are American Apparel short sleeve baby rib tees. They're 100% fine jersey cotton, combed for softness.
Shrinkage: Although they are pre-shrunk, they tend to shrink about one size if dried in a dryer. We recommend you order one size up if you plan to machine-dry.