Astrobiology

  1. Planetary System Formation and Architecture
    1. Nebular Theory
      1. Molecular Cloud Properties
        1. Gravitational Collapse
          1. Angular Momentum Conservation
            1. Disk Formation
            2. Protoplanetary Disk Evolution
              1. Disk Structure
                1. Temperature Gradients
                  1. Density Distribution
                    1. Composition Zones
                    2. Dust Evolution
                      1. Grain Growth
                        1. Settling and Coagulation
                        2. Gas Dynamics
                          1. Accretion Flows
                            1. Disk Winds
                              1. Photoevaporation
                            2. Planet Formation Processes
                              1. Terrestrial Planet Formation
                                1. Planetesimal Accretion
                                  1. Oligarchic Growth
                                    1. Giant Impact Phase
                                    2. Gas Giant Formation
                                      1. Core Accretion Model
                                        1. Disk Instability Model
                                          1. Critical Core Mass
                                          2. Ice Giant Formation
                                            1. Small Body Formation
                                              1. Asteroid Belt
                                                1. Kuiper Belt
                                                  1. Oort Cloud
                                                2. Planetary System Dynamics
                                                  1. Orbital Migration
                                                    1. Type I Migration
                                                      1. Type II Migration
                                                        1. Grand Tack Model
                                                        2. Resonances and Stability
                                                          1. Late Heavy Bombardment
                                                            1. System Architecture Diversity

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                                                          2. Cosmic Evolution and Chemical Foundations

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                                                          4. Life on Earth: Origins and Evolution