The canvas white background of the cover features illustrations of evolved species

design propulsion systems

This glass mug is for brooding intellectuals

all in front of a map of the night sky

Models of the Universe Hardcover Notebook - Dot Grid Product Type_Tote Bag The canvas white background ofHeliocentric. Geocentric. Sometimes you just see what you want to see. With vintage illustrations drawn in sky blue on a field of dusky blue, the Universe Models hardcover notebook shows how much we have always wanted the universe to make sense and the lengths to which weve gone to make sense of the universe. Use it to sketch the heavens, make your best heliocentric model, or journal about the expansion of space.