standard candle

noun

Definition of standard candle

Examples of standard candle in a Sentence

Recent Examples on the Web Next, the Cepheids are used to calibrate the distances to Type Ia supernovas — even brighter (though rarer) standard candles that can be seen in faraway galaxies. Quanta Magazine, 25 Oct. 2017 Red giants shining at that theoretical limit can thus become standard candles. Leila Sloman, Scientific American, 29 July 2019 White dwarfs at the Chandrasekhar limit are thought to be more or less identical, which is why Type Ia supernovas were considered to be such great standard candles. Quanta Magazine, 31 July 2017 By finding the very brightest red giants in a distant galaxy—the ones that toe this theoretical limit—the team could use them as standard candles to calculate distances and its own H0. Joshua Sokol, Science | AAAS, 19 July 2019 Next the Cepheids are used to calibrate the distances to Type Ia supernovas — even brighter (though rarer) standard candles that can be seen in faraway galaxies. Quanta Magazine, 4 Jan. 2018 So far, standard candles have done it with precisions of 2–3%. Davide Castelvecchi, Scientific American, 23 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'standard candle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of standard candle

1879, in the meaning defined above

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The first known use of standard candle was in 1879

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Cite this Entry

“Standard candle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/standard%20candle. Accessed 17 Sep. 2021.

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Britannica.com: Encyclopedia article about standard candle

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