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Standard Candle
unit of measurement
Also known as: International Candle
Learn about this topic in these articles:
definition
determining galactic distances
- In astronomy: Determining astronomical distances
…star is termed a “standard candle.” Examples are Cepheid variables, whose brightness varies periodically in well-documented ways, and certain types of supernova explosions that have enormous brilliance and can thus be seen out to very great distances. Once the luminosities of such nearer standard candles have been calibrated, the…
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