Planetary Science

  1. The Giant Planets
    1. The Gas Giants
      1. Jupiter
        1. Composition and Internal Structure
          1. Hydrogen and Helium Envelope
            1. Possible Rocky Core
              1. Metallic Hydrogen Layer
              2. Atmospheric Bands and Storms
                1. Belt-Zone Circulation
                  1. Great Red Spot
                    1. Other Storm Systems
                      1. Atmospheric Dynamics
                      2. Powerful Magnetosphere
                        1. Magnetic Field Strength
                          1. Radiation Belts
                            1. Plasma Environment
                            2. Ring System
                              1. Structure and Composition
                                1. Ring Dynamics
                              2. Saturn
                                1. Composition and Lower Density
                                  1. Hydrogen and Helium Dominance
                                    1. Low Mean Density
                                      1. Internal Structure
                                      2. Extensive and Complex Ring System
                                        1. Main Rings
                                          1. A Ring
                                            1. B Ring
                                              1. C Ring
                                              2. Ring Gaps and Divisions
                                                1. Cassini Division
                                                  1. Encke Gap
                                                  2. Ring Particle Properties
                                                    1. Ring Dynamics
                                                    2. Atmospheric Features
                                                      1. Hexagonal Jet Stream
                                                        1. Storms and Vortices
                                                          1. Seasonal Changes
                                                          2. Internal Heat Source
                                                            1. Helium Rain
                                                              1. Energy Output
                                                                1. Heat Transport
                                                            2. The Ice Giants
                                                              1. Uranus
                                                                1. Composition
                                                                  1. Ices and Rock
                                                                    1. Methane
                                                                      1. Ammonia
                                                                        1. Water Ices
                                                                        2. Rocky Core
                                                                        3. Extreme Axial Tilt
                                                                          1. Obliquity and Seasons
                                                                            1. Unusual Rotation
                                                                            2. Unique Magnetosphere
                                                                              1. Tilted Magnetic Field
                                                                                1. Offset from Center
                                                                                  1. Interaction with Solar Wind
                                                                                  2. Faint Ring System
                                                                                    1. Ring Structure
                                                                                      1. Discovery and Properties
                                                                                        1. Ring Composition
                                                                                      2. Neptune
                                                                                        1. Composition and Internal Structure
                                                                                          1. Hydrogen and Helium
                                                                                            1. Methane
                                                                                              1. Rocky and Icy Core
                                                                                              2. Dynamic Atmosphere and Storms
                                                                                                1. Great Dark Spot
                                                                                                  1. White Clouds
                                                                                                    1. Storm Evolution
                                                                                                    2. Strong Winds
                                                                                                      1. Wind Speeds and Patterns
                                                                                                        1. Atmospheric Dynamics
                                                                                                        2. Ring Arcs
                                                                                                          1. Structure and Stability
                                                                                                            1. Gravitational Confinement

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                                                                                                      3. The Terrestrial Planets

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                                                                                                      5. Moons and Rings