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 highly-banded Jupiter with its four Galilean moons; Saturn (yellow) with its magnificent rings and its largest moon, Titan; Uranus (green) seen end-on" due to its 98 degree rotational inclination; Neptune (blue) with its largest moon, Triton; and finally the dim icy image of Pluto (top left), with its moon Charon."