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Observation - Coggle Diagram
Observation
Bulk properties
Luminosity
Flux and distance
Temperature
Effective, color, excitation&ionization
Size&Morphology
Angular size and distance&Imaging
Age
Popuation sythesis
Mass
Gravity and rotation, viral theorem
Environment
Clusters
Position&Motion
Astrometry&Redshift
Component
Structure
Magnetic field
Molecular
Component
For galaxy
ISM
Dark matter
Stellar population
Central blackhole
Atomic&Metalicity
Distances ladder
Standard candle
Hubble constant
Parallax