Related terms:
cepheid variable
rr lyrae
dwarf galaxy
interstellar extinction
standard ruler
tidal radius
cosmic distance ladder
distance estimates
eclipsing binaries
mayall ii
distance estimate
ring nebula
mass segregation
great andromeda
bright enough
metallicity
globular cluster
ursae minoris
andromeda constellation
bubble nebula
satellite galaxies
delta cephei
sagittarius dwarf
Wikipedia sources:
Cosmic distance ladder
Henrietta Swan Leavitt
Delta Cephei
Andromeda Galaxy
GeneXpert MTB/RIF
Timeline of stellar astronomy
Globular cluster
Polaris
NGC 6822
Context for words:
cepheid
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