Jupiter and two of its moons, optical image. The moons are casting shadows on the planet. Jupiter is the fifth planet from the Sun and the largest in the solar system, with a mass two and a half times that of all the other planets put together. Jupiter's atmosphere consists of colourful, swirling bands of cloud. Imaged from Chilescope Observatory, Cerro Pachon, Atacama, Chile, on 25th March 2019.