Jupiter is the largest planet in the Solar System, a gas giant composed primarily of hydrogen and helium. It is the fifth planet from the Sun. A characteristic element of the planet is the Great Red Spot - a giant storm atmospheric (anticyclone) sizes larger than the diameter of Earth. 67 circling around Jupiter's known satellites including the four largest, discovered by Galileo: Io, Ganymede, Europa and Callisto. Here is a colour sheet with the Jupiter.