Artwork representing the Sun and all of the planets of the Solar System The Sun occupies most of the bottom of the frame and is seen with flares left and sunspots black lower right The planets are shown in order the tiny grey Mercury at bottom left then cloudy Venus yellow Earth with the Moon Mars dark red the highlybanded Jupiter with its four Galilean moons Saturn yellow with its magnificent rings and its largest moon Titan Uranus green seen endon due to its degree rotational inclination Neptune blue with its largest moon Triton and finally the dim icy image of Pluto top left a Dwarf planet with its moon Charon