Category
page 1Standard candles
Cepheid variable
type of variable star
cosmic distance ladder
succession of methods by which astronomers determine the distances to celestial objects
RR Lyrae variable
type of variable star
red clump
Red Clump Star
X-ray burster
Class of X-ray binary stars
classical Cepheid variable
type of variable star
tip of the red giant branch
distance indicator in astronomy
Type II Cepheid
type of variable stars
BL Herculis variable
type of variable star
Surface brightness fluctuation
standard candle used to estimate distances to galaxies
Planetary nebula luminosity function
astronomical function