Notes [PDF, 320 KB] Gas Giants Introduction The Solar System Molecular Clouds in the Galaxy Gravitational Collapse of Molecular Clouds to form Solar Systems Objects formed from Collapse of Molecular Clouds Jupiter-sized planets of nearby stars - are they Gas Giants? Jupiter Discovery of the Jupiter System Galileo Mission to Jupiter Shoemaker-Levy Impact Probe Descent Orbital Tour Atmosphere of Jupiter Radiant Energy Release Ring System Galilean Moons Io Europa Ganymede Callisto Internal Structures Moon Orbits Demise of Galileo Cassini Flypast Saturn Ring System Selected Moons Pan - Janus and Epimetheus - Enceladus - Phoebe Titan - Atmoshpere - Hygens Descent - Surface Landscape - Volcano - Wind Dunes - Lakes - Streams Moon Overview Rings and Moon Orbit Overview - Pioneer 11 Flypast Comparisons Relative Sizes - Earth-Moon, Saturn, Jupiter, Sun - Internal Structures of the Giant Planets - Small Planets and Larger Moons Selected Links Sources of resources are acknowledged on each page and links to source pages are given. "More Information" links on many pages provide additional information from the source sites, often edited by the author. All resources included in this presentation may be freely copied and distributed for personal use. All resources retain the copyright of their owners. © Michael Gallagher, June 2007