The MarsDials on the Mars Exploration Rovers include "furniture" or decorations that are typical of many Earth sundials. A motto is traditional; the "Two Worlds, One Sun" motto was based on an idea from Louis Friedman. The face also contains the name of Mars written in 17 languages; mirrors (left and right sides) to reflect the color of the Martian sky; blue and red dots representing Mars and Earth, sitting on gray ovals of the same shape and relative size as the planets' orbits. Finally, around all four

Jim Bell, Bill Nye, Steve Squyres, Woody Sullivan, Jon Lomberg, Louis Friedman, and Tyler Nordgren