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standard candle

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.02 sec.
standard candle [′stan·dərd ′kand·əl]


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? Mentioned in ? References in periodicals archive
 
The premiere standard candle remains a type of pulsating star known as a Cepheid variable.
Yellowish, pulsating stars known as Cepheid variables remain the favorite, and many say the most credible, standard candle for estimating the distance to relatively nearby galaxies.
If bursts are standard candles, they might also yield another estimate of the age and size of the universe.
 
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