Cosmology

  1. Observational Cosmology
    1. Electromagnetic Observations
      1. Optical Astronomy
        1. Ground-Based Telescopes
          1. Space-Based Observatories
            1. Photometric Surveys
              1. Spectroscopic Surveys
              2. Infrared Astronomy
                1. Near-Infrared Observations
                  1. Mid-Infrared Studies
                    1. Far-Infrared Background
                    2. Radio Astronomy
                      1. 21-cm Line Observations
                        1. Radio Continuum
                          1. Interferometry Techniques
                          2. High-Energy Astronomy
                            1. X-ray Observations
                              1. Gamma-ray Astronomy
                                1. Neutrino Astronomy
                              2. Distance Measurement
                                1. Distance Ladder
                                  1. Parallax Measurements
                                    1. Cepheid Variables
                                      1. Type Ia Supernovae
                                        1. Surface Brightness Fluctuations
                                        2. Standard Candles
                                          1. Calibration Methods
                                            1. Systematic Uncertainties
                                              1. Environmental Effects
                                              2. Standard Rulers
                                                1. Baryon Acoustic Oscillations
                                                  1. CMB Angular Scale
                                                    1. Galaxy Clustering
                                                  2. Redshift Surveys
                                                    1. Galaxy Redshift Surveys
                                                      1. Spectroscopic Techniques
                                                        1. Photometric Redshifts
                                                          1. Selection Effects
                                                          2. Large-Scale Structure Mapping
                                                            1. 3D Galaxy Distribution
                                                              1. Void Identification
                                                                1. Filament Detection
                                                                2. Weak Lensing Surveys
                                                                  1. Shape Measurements
                                                                    1. Cosmic Shear
                                                                      1. Mass Mapping
                                                                    2. Time-Domain Astronomy
                                                                      1. Supernova Surveys
                                                                        1. Type Ia Discovery
                                                                          1. Light Curve Analysis
                                                                            1. Hubble Diagram Construction
                                                                            2. Variable Star Studies
                                                                              1. Cepheid Monitoring
                                                                                1. RR Lyrae Variables
                                                                                  1. Period-Luminosity Relations
                                                                                  2. Transient Phenomena
                                                                                    1. Gamma-Ray Bursts
                                                                                      1. Gravitational Wave Sources
                                                                                        1. Fast Radio Bursts
                                                                                      2. Multi-Messenger Astronomy
                                                                                        1. Gravitational Wave Detection
                                                                                          1. LIGO/Virgo Observations
                                                                                            1. Pulsar Timing Arrays
                                                                                              1. Space-Based Detectors
                                                                                              2. Neutrino Astronomy
                                                                                                1. High-Energy Neutrinos
                                                                                                  1. Supernova Neutrinos
                                                                                                    1. Cosmic Neutrino Background
                                                                                                    2. Combined Observations
                                                                                                      1. Electromagnetic Counterparts
                                                                                                        1. Multi-wavelength Studies
                                                                                                          1. Joint Parameter Estimation