Assertion: astronomer's observation | /r/CapableOf | call standard candles
Facets:
Source sentences:
text: Observations of certain types of variable stars and supernovae of known luminosity, called standard candles, in other galaxies allows the inference of the distance to the host galaxy.
text: Observations of certain types of variable stars and supernovae of known luminosity, called standard candles, in other galaxies allows the inference of the distance to the host galaxy.