This is an image of Jupiter. Click on image for full size version (58K JPEG) Image from: NASA

The king of planets is aptly named because it not only has the most dymanic atmospheric motion, but also the most riveting cloud patterns and storms, and the most majestic appearance of the giant planets. The dramatic appearance of Jupiter stems partially because the composition of Jupiter's atmosphere includes complex molecules such as ammonia and methane, as well as simple molecules such as helium, hydrogen, and sulfur.

The atmosphere of Jupiter is only a narrow surface layer, compared to the vast interior of the planet. The three clouddecks of Jupiter are to be found at different levels in the troposphere, while hazes of smog can be found higher in the atmosphere.

Jupiter is not much changed from its early evolution out of the primordial solar nebula, and in fact, may still be evolving.