Solar System Astronomy

  1. Trans-Neptunian Region
    1. Kuiper Belt
      1. Structure and Extent
        1. Location Beyond Neptune
          1. Classical Kuiper Belt
            1. Scattered Disk
            2. Kuiper Belt Objects
              1. Size Distribution
                1. Compositional Types
                  1. Orbital Classifications
                    1. Classical Objects
                      1. Resonant Objects
                        1. Scattered Objects
                      2. Dynamical Families
                        1. Plutinos
                          1. Cubewanos
                            1. Other Resonant Groups
                          2. Dwarf Planets
                            1. Classification Criteria
                              1. Orbital Characteristics
                                1. Hydrostatic Equilibrium
                                  1. Orbital Dominance
                                  2. Pluto
                                    1. Discovery History
                                      1. Orbital Characteristics
                                        1. Binary System with Charon
                                          1. Surface Features
                                            1. Thin Atmosphere
                                              1. New Horizons Mission
                                              2. Eris
                                                1. Discovery and Controversy
                                                  1. Size and Mass
                                                    1. Moon Dysnomia
                                                    2. Makemake
                                                      1. Physical Properties
                                                        1. Lack of Atmosphere
                                                        2. Haumea
                                                          1. Elongated Shape
                                                            1. Rapid Rotation
                                                              1. Ring System
                                                                1. Family Members
                                                                2. Ceres
                                                                  1. Asteroid Belt Location
                                                                    1. Differentiated Structure
                                                                      1. Dawn Mission Results
                                                                    2. Scattered Disk
                                                                      1. Highly Eccentric Orbits
                                                                        1. Neptune Interaction
                                                                          1. Representative Objects
                                                                          2. Oort Cloud
                                                                            1. Theoretical Structure
                                                                              1. Spherical Distribution
                                                                                1. Long-Period Comet Source
                                                                                  1. Observational Challenges

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                                                                                6. Giant Planets: Outer Solar System

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                                                                                8. Comets and Small Bodies