The "Trappist-1H World of Ice and Fire" poster is inspired by vintage travel and national park posters. The poster features an image of Trappist-1H, one of seven terrestrial worlds in the system. Each is visible from the other and eclipse the sun from one another. The poster features the art of Tyler Nordgren, a professor of Physics and Astronomy. The poster measures 12"x18" and is signed by the artist.