Astronomy

  1. Stellar Astronomy
    1. Stellar Properties
      1. Distance Measurements
        1. Parallax Method
          1. Standard Candles
            1. Distance Ladder
            2. Luminosity and Magnitude
              1. Apparent Magnitude
                1. Absolute Magnitude
                  1. Bolometric Magnitude
                    1. Luminosity Function
                    2. Temperature and Color
                      1. Blackbody Radiation
                        1. Wien's Law
                          1. Color Indices
                            1. Effective Temperature
                            2. Mass Determination
                              1. Binary Star Systems
                                1. Mass-Luminosity Relation
                                  1. Stellar Mass Function
                                  2. Radius and Density
                                    1. Stefan-Boltzmann Law
                                      1. Interferometry
                                        1. Eclipse Timing
                                        2. Chemical Composition
                                          1. Spectroscopic Analysis
                                            1. Metallicity
                                              1. Abundance Patterns
                                            2. Stellar Classification
                                              1. Spectral Classification
                                                1. Morgan-Keenan System
                                                  1. Spectral Types O, B, A, F, G, K, M
                                                    1. Luminosity Classes
                                                      1. Peculiar Stars
                                                      2. The Hertzsprung-Russell Diagram
                                                        1. Main Sequence
                                                          1. Giant Branch
                                                            1. Supergiant Region
                                                              1. White Dwarf Region
                                                                1. Evolutionary Tracks
                                                              2. Stellar Structure and Evolution
                                                                1. Stellar Structure
                                                                  1. Hydrostatic Equilibrium
                                                                    1. Energy Transport
                                                                      1. Stellar Models
                                                                      2. Star Formation
                                                                        1. Interstellar Medium
                                                                          1. Molecular Clouds
                                                                            1. Gravitational Collapse
                                                                              1. Protostars
                                                                                1. Pre-Main Sequence Evolution
                                                                                  1. T Tauri Stars
                                                                                    1. Brown Dwarfs
                                                                                    2. Main Sequence Evolution
                                                                                      1. Hydrogen Burning
                                                                                        1. Core Contraction
                                                                                          1. Lifetime Dependence on Mass
                                                                                          2. Post-Main Sequence Evolution
                                                                                            1. Low-Mass Stars
                                                                                              1. Red Giant Branch
                                                                                                1. Helium Flash
                                                                                                  1. Horizontal Branch
                                                                                                    1. Asymptotic Giant Branch
                                                                                                      1. Planetary Nebulae
                                                                                                        1. White Dwarf Formation
                                                                                                        2. High-Mass Stars
                                                                                                          1. Red Supergiant Phase
                                                                                                            1. Advanced Nuclear Burning
                                                                                                              1. Core Collapse
                                                                                                                1. Supernova Explosions
                                                                                                                  1. Neutron Star Formation
                                                                                                                    1. Black Hole Formation
                                                                                                                2. Stellar Remnants
                                                                                                                  1. White Dwarfs
                                                                                                                    1. Formation and Properties
                                                                                                                      1. Cooling Evolution
                                                                                                                        1. Chandrasekhar Limit
                                                                                                                          1. Degenerate Matter
                                                                                                                          2. Neutron Stars
                                                                                                                            1. Formation Mechanism
                                                                                                                              1. Structure and Properties
                                                                                                                                1. Pulsars
                                                                                                                                  1. Discovery and Properties
                                                                                                                                    1. Pulsar Timing
                                                                                                                                      1. Millisecond Pulsars
                                                                                                                                      2. Magnetars
                                                                                                                                      3. Black Holes
                                                                                                                                        1. Stellar-Mass Black Holes
                                                                                                                                          1. Formation Scenarios
                                                                                                                                            1. Event Horizon
                                                                                                                                              1. Schwarzschild Radius
                                                                                                                                                1. Observational Evidence
                                                                                                                                                  1. X-ray Binaries
                                                                                                                                                    1. Gravitational Waves
                                                                                                                                                2. Binary and Multiple Stars
                                                                                                                                                  1. Types of Binary Systems
                                                                                                                                                    1. Visual Binaries
                                                                                                                                                      1. Spectroscopic Binaries
                                                                                                                                                        1. Eclipsing Binaries
                                                                                                                                                          1. Astrometric Binaries
                                                                                                                                                          2. Binary Evolution
                                                                                                                                                            1. Mass Transfer
                                                                                                                                                              1. Roche Lobe Overflow
                                                                                                                                                                1. Common Envelope Evolution
                                                                                                                                                                2. Exotic Binary Phenomena
                                                                                                                                                                  1. Novae
                                                                                                                                                                    1. Type Ia Supernovae
                                                                                                                                                                      1. X-ray Binaries
                                                                                                                                                                        1. Cataclysmic Variables
                                                                                                                                                                          1. Symbiotic Stars
                                                                                                                                                                          2. Multiple Star Systems
                                                                                                                                                                            1. Triple Stars
                                                                                                                                                                              1. Higher-Order Systems
                                                                                                                                                                                1. Stability and Dynamics
                                                                                                                                                                              2. Variable Stars
                                                                                                                                                                                1. Pulsating Variables
                                                                                                                                                                                  1. Cepheid Variables
                                                                                                                                                                                    1. RR Lyrae Stars
                                                                                                                                                                                      1. Delta Scuti Stars
                                                                                                                                                                                        1. Mira Variables
                                                                                                                                                                                        2. Eruptive Variables
                                                                                                                                                                                          1. Flare Stars
                                                                                                                                                                                            1. T Tauri Stars
                                                                                                                                                                                              1. FU Orionis Objects
                                                                                                                                                                                              2. Cataclysmic Variables
                                                                                                                                                                                                1. Dwarf Novae
                                                                                                                                                                                                  1. Classical Novae
                                                                                                                                                                                                    1. Recurrent Novae
                                                                                                                                                                                                    2. Eclipsing Variables
                                                                                                                                                                                                      1. Algol-Type Systems
                                                                                                                                                                                                        1. Beta Lyrae Systems
                                                                                                                                                                                                          1. W Ursae Majoris Systems

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                                                                                                                                                                                                      5. Galactic Astronomy