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, "Colliding Neutron Stars Could Settle the Biggest Debate in Cosmology," 25 Oct. 2017 Red giants shining at that theoretical limit can thus become standard candles. Leila Sloman, Scientific American, "Hubble Tension Headache: Clashing Measurements Make the Universe's Expansion a Lingering Mystery," 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, "Cookie-Cutter Supernovas Might Come in Different Flavors," 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, "Debate intensifies over speed of expanding universe," 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, "How Triangulation Leads to Knowledge," 4 Jan. 2018 So far, standard candles have done it with precisions of 2–3%. Davide Castelvecchi, Scientific American, "Here Come the Waves," 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.

See More

First Known Use of standard candle

1879, in the meaning defined above

Keep scrolling for more

Learn More about standard candle

Time Traveler for standard candle

Time Traveler

The first known use of standard candle was in 1879

See more words from the same year

Statistics for standard candle

Cite this Entry

“Standard candle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/standard%20candle. Accessed 22 Sep. 2020.

More from Merriam-Webster on standard candle

Britannica.com: Encyclopedia article about standard candle

Comments on standard candle

What made you want to look up standard candle? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!