Solar System Astronomy

  1. Giant Planets: Outer Solar System
    1. Jupiter
      1. Physical Characteristics
        1. Largest Planet
          1. Mass and Density
            1. Rapid Rotation
              1. Oblate Shape
              2. Atmospheric Structure
                1. Composition
                  1. Hydrogen and Helium Dominance
                    1. Trace Compounds
                    2. Cloud Layers
                      1. Ammonia Clouds
                        1. Ammonium Hydrosulfide Clouds
                          1. Water Clouds
                          2. Atmospheric Dynamics
                            1. Belts and Zones
                              1. Great Red Spot
                                1. Other Storm Systems
                                  1. Zonal Wind Patterns
                                2. Internal Structure
                                  1. Core Composition Debate
                                    1. Metallic Hydrogen Layer
                                      1. Molecular Hydrogen Envelope
                                        1. Heat Generation
                                        2. Magnetosphere
                                          1. Powerful Magnetic Field
                                            1. Radiation Belts
                                              1. Plasma Torus
                                                1. Auroral Activity
                                                2. Ring System
                                                  1. Faint Ring Structure
                                                    1. Ring Composition
                                                      1. Discovery History
                                                      2. Galilean Moons
                                                        1. Io
                                                          1. Volcanic Activity
                                                            1. Tidal Heating
                                                              1. Sulfur Compounds
                                                                1. Plasma Interactions
                                                                2. Europa
                                                                  1. Subsurface Ocean
                                                                    1. Ice Shell Structure
                                                                      1. Surface Features
                                                                        1. Astrobiological Potential
                                                                        2. Ganymede
                                                                          1. Largest Moon in Solar System
                                                                            1. Magnetic Field
                                                                              1. Differentiated Structure
                                                                                1. Surface Geology
                                                                                2. Callisto
                                                                                  1. Heavily Cratered Surface
                                                                                    1. Possible Subsurface Ocean
                                                                                      1. Low Density
                                                                                    2. Other Moons
                                                                                      1. Inner Moons
                                                                                        1. Irregular Satellites
                                                                                          1. Trojan Asteroids
                                                                                          2. Exploration Missions
                                                                                            1. Pioneer Missions
                                                                                              1. Voyager Encounters
                                                                                                1. Galileo Orbiter
                                                                                                  1. Juno Mission
                                                                                                2. Saturn
                                                                                                  1. Physical Properties
                                                                                                    1. Low Density
                                                                                                      1. Rapid Rotation
                                                                                                        1. Oblate Shape
                                                                                                          1. Internal Heat Source
                                                                                                          2. Atmospheric Features
                                                                                                            1. Composition Similar to Jupiter
                                                                                                              1. Banded Structure
                                                                                                                1. Storm Systems
                                                                                                                  1. Hexagonal Polar Feature
                                                                                                                  2. Internal Structure
                                                                                                                    1. Rocky Core
                                                                                                                      1. Metallic Hydrogen Layer
                                                                                                                        1. Molecular Hydrogen Envelope
                                                                                                                        2. Magnetosphere
                                                                                                                          1. Magnetic Field Strength
                                                                                                                            1. Radiation Environment
                                                                                                                              1. Interaction with Rings and Moons
                                                                                                                              2. Ring System
                                                                                                                                1. Extensive Ring Structure
                                                                                                                                  1. Ring Composition
                                                                                                                                    1. Water Ice Dominance
                                                                                                                                      1. Rocky Material
                                                                                                                                      2. Ring Divisions
                                                                                                                                        1. Cassini Division
                                                                                                                                          1. Encke Gap
                                                                                                                                            1. Other Gaps
                                                                                                                                            2. Ring Dynamics
                                                                                                                                              1. Shepherd Moons
                                                                                                                                                1. Resonance Effects
                                                                                                                                                  1. Spokes Phenomenon
                                                                                                                                                2. Major Moons
                                                                                                                                                  1. Titan
                                                                                                                                                    1. Dense Atmosphere
                                                                                                                                                      1. Methane Cycle
                                                                                                                                                        1. Surface Lakes and Rivers
                                                                                                                                                          1. Organic Chemistry
                                                                                                                                                            1. Astrobiological Interest
                                                                                                                                                            2. Enceladus
                                                                                                                                                              1. Water Geysers
                                                                                                                                                                1. Subsurface Ocean
                                                                                                                                                                  1. Tiger Stripe Features
                                                                                                                                                                    1. Potential Habitability
                                                                                                                                                                    2. Mimas
                                                                                                                                                                      1. Herschel Crater
                                                                                                                                                                        1. Death Star Appearance
                                                                                                                                                                        2. Iapetus
                                                                                                                                                                          1. Two-Tone Coloration
                                                                                                                                                                            1. Equatorial Ridge
                                                                                                                                                                              1. Orbital Characteristics
                                                                                                                                                                            2. Other Moons
                                                                                                                                                                              1. Medium-Sized Moons
                                                                                                                                                                                1. Small Inner Moons
                                                                                                                                                                                  1. Irregular Satellites
                                                                                                                                                                                  2. Exploration History
                                                                                                                                                                                    1. Pioneer 11
                                                                                                                                                                                      1. Voyager Encounters
                                                                                                                                                                                        1. Cassini-Huygens Mission
                                                                                                                                                                                      2. Uranus
                                                                                                                                                                                        1. Unique Characteristics
                                                                                                                                                                                          1. Extreme Axial Tilt
                                                                                                                                                                                            1. Ice Giant Classification
                                                                                                                                                                                              1. Retrograde Rotation
                                                                                                                                                                                              2. Composition
                                                                                                                                                                                                1. Hydrogen and Helium
                                                                                                                                                                                                  1. Water, Methane, and Ammonia Ices
                                                                                                                                                                                                    1. Rocky Core
                                                                                                                                                                                                    2. Atmospheric Properties
                                                                                                                                                                                                      1. Methane Absorption
                                                                                                                                                                                                        1. Bland Appearance
                                                                                                                                                                                                          1. Seasonal Variations
                                                                                                                                                                                                            1. Wind Patterns
                                                                                                                                                                                                            2. Internal Structure
                                                                                                                                                                                                              1. Small Rocky Core
                                                                                                                                                                                                                1. Ice Mantle
                                                                                                                                                                                                                  1. Hydrogen-Helium Atmosphere
                                                                                                                                                                                                                  2. Magnetic Field
                                                                                                                                                                                                                    1. Tilted and Offset
                                                                                                                                                                                                                      1. Unusual Configuration
                                                                                                                                                                                                                      2. Ring System
                                                                                                                                                                                                                        1. Narrow Dark Rings
                                                                                                                                                                                                                          1. Discovery History
                                                                                                                                                                                                                            1. Ring Composition
                                                                                                                                                                                                                            2. Moon System
                                                                                                                                                                                                                              1. Miranda
                                                                                                                                                                                                                                1. Extreme Surface Features
                                                                                                                                                                                                                                  1. Coronae and Cliffs
                                                                                                                                                                                                                                    1. Geological History
                                                                                                                                                                                                                                    2. Ariel
                                                                                                                                                                                                                                      1. Bright Surface
                                                                                                                                                                                                                                        1. Valley Systems
                                                                                                                                                                                                                                        2. Umbriel
                                                                                                                                                                                                                                          1. Dark Surface
                                                                                                                                                                                                                                            1. Crater Populations
                                                                                                                                                                                                                                            2. Titania
                                                                                                                                                                                                                                              1. Largest Uranian Moon
                                                                                                                                                                                                                                                1. Fault Systems
                                                                                                                                                                                                                                                2. Oberon
                                                                                                                                                                                                                                                  1. Heavily Cratered
                                                                                                                                                                                                                                                    1. Mountain Peaks
                                                                                                                                                                                                                                                  2. Exploration
                                                                                                                                                                                                                                                    1. Voyager 2 Encounter
                                                                                                                                                                                                                                                      1. Limited Ground-Based Observations
                                                                                                                                                                                                                                                    2. Neptune
                                                                                                                                                                                                                                                      1. Physical Characteristics
                                                                                                                                                                                                                                                        1. Ice Giant Classification
                                                                                                                                                                                                                                                          1. Deep Blue Color
                                                                                                                                                                                                                                                            1. Internal Heat Source
                                                                                                                                                                                                                                                            2. Atmospheric Dynamics
                                                                                                                                                                                                                                                              1. Methane Clouds
                                                                                                                                                                                                                                                                1. Great Dark Spot
                                                                                                                                                                                                                                                                  1. Fastest Winds in Solar System
                                                                                                                                                                                                                                                                    1. Storm Evolution
                                                                                                                                                                                                                                                                    2. Internal Structure
                                                                                                                                                                                                                                                                      1. Rocky Core
                                                                                                                                                                                                                                                                        1. Ice Mantle
                                                                                                                                                                                                                                                                          1. Hydrogen-Helium Atmosphere
                                                                                                                                                                                                                                                                          2. Magnetic Field
                                                                                                                                                                                                                                                                            1. Tilted Configuration
                                                                                                                                                                                                                                                                              1. Field Strength
                                                                                                                                                                                                                                                                              2. Ring System
                                                                                                                                                                                                                                                                                1. Faint Ring Arcs
                                                                                                                                                                                                                                                                                  1. Ring Stability
                                                                                                                                                                                                                                                                                    1. Shepherd Moon Effects
                                                                                                                                                                                                                                                                                    2. Moon System
                                                                                                                                                                                                                                                                                      1. Triton
                                                                                                                                                                                                                                                                                        1. Retrograde Orbit
                                                                                                                                                                                                                                                                                          1. Captured Kuiper Belt Object
                                                                                                                                                                                                                                                                                            1. Nitrogen Atmosphere
                                                                                                                                                                                                                                                                                              1. Cryovolcanic Activity
                                                                                                                                                                                                                                                                                                1. Surface Features
                                                                                                                                                                                                                                                                                                2. Nereid
                                                                                                                                                                                                                                                                                                  1. Highly Eccentric Orbit
                                                                                                                                                                                                                                                                                                    1. Irregular Shape
                                                                                                                                                                                                                                                                                                    2. Other Small Moons
                                                                                                                                                                                                                                                                                                    3. Discovery and Exploration
                                                                                                                                                                                                                                                                                                      1. Mathematical Prediction
                                                                                                                                                                                                                                                                                                        1. Voyager 2 Encounter