Apollo 8 Expansion Joint Material - Limited Quantity Eurypterid canine teeth measuring 8 inches

canine teeth measuring 8 inches (20 cm) and backed by 600 pounds (275 kg) of muscle

This t-shirt celebrates the unique mathematical beauty of these animals

and quadrupedal stance

25cm-2cm) in length

It was recovered from a coal bed in Kentucky

Apollo 8 Expansion Joint Material - Limited Quantity Eurypterid canine teeth measuring 8 inchesThis specimen is an actual, mission flown fragment of expansion joint material from the Apollo 8 Command Module thermal protection system. This material kept Apollo astronauts Frank Borman, James Lovell, and William Anders safe on their journey from Earth to orbit around the Moon and back. Salvaged after splashdown, this is a unique collectible from an incredible mission that paved the way for the first mission to set foot on the lunar surface.