Planetary Science

  1. The Solar System Formation and Architecture
    1. The Sun
      1. Stellar Classification and Properties
        1. Spectral Type
          1. Luminosity and Temperature
            1. Solar Evolution
              1. Main Sequence Properties
              2. Solar Structure and Composition
                1. Core
                  1. Radiative Zone
                    1. Convective Zone
                      1. Photosphere
                        1. Chromosphere
                          1. Corona
                            1. Elemental Abundances
                            2. The Solar Wind
                              1. Composition and Properties
                                1. Effects on Planets
                                  1. Heliosphere
                                  2. Solar Activity and its Effects
                                    1. Sunspots
                                      1. Solar Flares
                                        1. Coronal Mass Ejections
                                          1. Space Weather
                                            1. Solar Cycle
                                          2. Solar System Formation
                                            1. The Nebular Hypothesis
                                              1. Collapse of Molecular Cloud
                                                1. Conservation of Angular Momentum
                                                  1. Gravitational Instability
                                                  2. Protoplanetary Disks
                                                    1. Disk Structure
                                                      1. Dust and Gas Distribution
                                                        1. Temperature Gradients
                                                          1. Frost Lines
                                                          2. Accretion and Planetesimal Formation
                                                            1. Dust Coagulation
                                                              1. Planetesimal Growth
                                                                1. Oligarchic Growth
                                                                  1. Runaway Growth
                                                                  2. Planetary Migration
                                                                    1. Type I Migration
                                                                      1. Type II Migration
                                                                        1. Effects on Planetary Orbits
                                                                          1. Grand Tack Model
                                                                        2. Overall Structure of the Solar System
                                                                          1. The Inner Solar System
                                                                            1. Terrestrial Planets
                                                                              1. Proximity to the Sun
                                                                                1. High Density Materials
                                                                                2. The Asteroid Belt
                                                                                  1. Location and Extent
                                                                                    1. Composition and Distribution
                                                                                      1. Kirkwood Gaps
                                                                                      2. The Outer Solar System
                                                                                        1. Gas Giants and Ice Giants
                                                                                          1. Large Distances from the Sun
                                                                                            1. Low Density Materials
                                                                                            2. The Kuiper Belt
                                                                                              1. Location and Extent
                                                                                                1. Kuiper Belt Objects
                                                                                                  1. Scattered Disk
                                                                                                  2. The Oort Cloud
                                                                                                    1. Hypothetical Structure
                                                                                                      1. Source of Long-Period Comets
                                                                                                        1. Spherical Distribution