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Observation - Coggle Diagram

- - - - Astrometry
      - Proper motion
      - Radial Velosity
      - Redshift
      - Line width
    - - gravity and rotation
        
        $$ M=\frac{a^3}{P^2}$$
      - virial theorem
    - - angular
      - distance
      - unresolved
        
        $$ L=\mathscr{F}4\pi r^2$$
        
        satr
        
        planet
        
        orbit
    - - kinetic
      - effective
      - color
      - excitation and ionization
  - - - seismology
      - asteroseismology
    - - way
        
        polarization
        
        synchrotron radiation
    - - Dark matter
      - central blackhole
      - star formation rate
  - - - standard candle
        
        variables
        
        supernova
        
        spectroscopic parallax
        
        ensembles
        
        L distribution (“functions”)
        
        kinematics
        
        surface brightness fluctuations
    - - Parallax