With a mass of 317.8 Earths, Jupiter is the biggest planet in the Solar System. It lies between Mars and Saturns, at 483.3 million miles away from the Sun, in the fifth position. It has a diameter of 888,815 miles and has more than sixty moons; the three largest and most observed and studied moons of Jupiter are Europa, Ganymede, and Callisto. With no solid surface, Jupiter is gaseous planet, which consists of helium, hydrogen, ammonia, methane, nitrogen, carbon, argon, and other elements. On the surface of this giant planet there are intense storms, which are caused by the largest magnetic field of the Solar System planets.