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Observations - Coggle Diagram
Observations
properties
size/morphology
angular size and distance
luminosity
flux and distance
mass
gravity and rotation
virial theorem
temperature
effctive temperature
excitation/ ionization
position & motion
proper motion
radial velocity
tangential velocity
redshift
age
population
environment
galaxy clusters
composition
strcture
atomic and molecular
darkmatter
types
ISM / IGM, diffuse matter
Galaxies
Stars and compact bodies
Other stuff
Planets and minor bodies
measure distance
Angular size to actual size
luminosity
standard camdles
trigonometry
parallax
the distance ladder