Beyond Earth (23 Space Missions) available at Chop Shop
If you buy this tee, Chop Shop will donate $5 of every purchase to The Planetary Society. The world’s largest space-interest group dedicated to inspiring the public with the adventure and mystery of space exploration. A non-governmental organization founded in 1980, who among its founders included Carl Sagan, the author of Cosmos. If you buy this tee with a membership (sorry, US residents only), Chop Shop will register you as a new member for only an additional $25 (normally $37). See here for what you get as a new member.