What are six different methods to measure distances in Astronomy in regards of their respective range in terms of astronomical objects?
So far I can name 4: Parallax method, radar ranging, main-sequence fitting, cepheid variables.
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Using type Ia supernova light curves.
The RR Lyrae period-luminosity relation.
Moving cluster statistical parallax.
Surface brightness fluctuations.
Using merging gravitational wave sources as standard sirens.
These and more can be pursued following this link. https://en.m.wikipedia.org/wiki/Cosmic_distance_ladder