Astronomy

  1. Galactic Astronomy
    1. The Milky Way Galaxy
      1. Galactic Structure
        1. Galactic Disk
          1. Thin Disk
            1. Thick Disk
              1. Spiral Arms
              2. Galactic Bulge
                1. Galactic Halo
                  1. Stellar Halo
                    1. Dark Matter Halo
                    2. Central Black Hole
                    3. Stellar Populations
                      1. Population I Stars
                        1. Population II Stars
                          1. Population III Stars
                            1. Chemical Evolution
                            2. Interstellar Medium
                              1. Gas Components
                                1. Neutral Hydrogen
                                  1. Ionized Hydrogen
                                    1. Molecular Gas
                                    2. Dust
                                      1. Composition and Properties
                                        1. Extinction and Reddening
                                        2. Nebulae
                                          1. Emission Nebulae
                                            1. Reflection Nebulae
                                              1. Dark Nebulae
                                                1. Planetary Nebulae
                                                  1. Supernova Remnants
                                                2. Star Formation in the Galaxy
                                                  1. Star-Forming Regions
                                                    1. Molecular Clouds
                                                      1. Stellar Associations
                                                        1. Open Clusters
                                                          1. Globular Clusters
                                                          2. Galactic Dynamics
                                                            1. Galactic Rotation
                                                              1. Spiral Density Waves
                                                                1. Galactic Orbits
                                                                  1. Dark Matter Evidence
                                                                2. Galaxy Classification and Properties
                                                                  1. Hubble Classification
                                                                    1. Elliptical Galaxies
                                                                      1. Spiral Galaxies
                                                                        1. Lenticular Galaxies
                                                                          1. Irregular Galaxies
                                                                          2. Galaxy Properties
                                                                            1. Luminosity
                                                                              1. Mass
                                                                                1. Size
                                                                                  1. Color
                                                                                    1. Star Formation Rate
                                                                                    2. Galaxy Scaling Relations
                                                                                      1. Tully-Fisher Relation
                                                                                        1. Fundamental Plane
                                                                                          1. Color-Magnitude Relation
                                                                                        2. Galaxy Clusters and Large-Scale Structure
                                                                                          1. Galaxy Groups
                                                                                            1. Local Group
                                                                                              1. Properties and Dynamics
                                                                                              2. Galaxy Clusters
                                                                                                1. Rich Clusters
                                                                                                  1. Poor Clusters
                                                                                                    1. Cluster Properties
                                                                                                      1. Intracluster Medium
                                                                                                        1. Dark Matter in Clusters
                                                                                                        2. Superclusters
                                                                                                          1. Local Supercluster
                                                                                                            1. Large-Scale Structure
                                                                                                              1. Filaments
                                                                                                                1. Voids
                                                                                                                  1. Walls
                                                                                                                    1. Great Attractor
                                                                                                                2. Active Galaxies
                                                                                                                  1. Active Galactic Nuclei
                                                                                                                    1. Central Engine Model
                                                                                                                      1. Accretion Disks
                                                                                                                        1. Jets and Outflows
                                                                                                                        2. Types of Active Galaxies
                                                                                                                          1. Quasars
                                                                                                                            1. Seyfert Galaxies
                                                                                                                              1. Radio Galaxies
                                                                                                                                1. BL Lacertae Objects
                                                                                                                                2. Unified Model of AGN
                                                                                                                                  1. Supermassive Black Holes
                                                                                                                                    1. Formation and Growth
                                                                                                                                      1. Black Hole-Galaxy Relations
                                                                                                                                    2. Galaxy Formation and Evolution
                                                                                                                                      1. Early Universe Conditions
                                                                                                                                        1. Structure Formation
                                                                                                                                          1. Dark Matter Halos
                                                                                                                                            1. Gas Cooling and Collapse
                                                                                                                                            2. Galaxy Mergers
                                                                                                                                              1. Minor Mergers
                                                                                                                                                1. Major Mergers
                                                                                                                                                  1. Merger Remnants
                                                                                                                                                  2. Environmental Effects
                                                                                                                                                    1. Ram Pressure Stripping
                                                                                                                                                      1. Tidal Interactions
                                                                                                                                                        1. Strangulation
                                                                                                                                                        2. Chemical Evolution
                                                                                                                                                          1. Stellar Nucleosynthesis
                                                                                                                                                            1. Metal Enrichment
                                                                                                                                                              1. Galactic Winds

                                                                                                                                                          Previous

                                                                                                                                                          4. Stellar Astronomy

                                                                                                                                                          Go to top

                                                                                                                                                          Next

                                                                                                                                                          6. Cosmology