light curve

noun

Definition of light curve

: a graph showing the variation in brightness of a celestial object (such as a variable star) over a period of time

Examples of light curve in a Sentence

Recent Examples on the Web But could that light curve have instead been produced by a more rounded object with a nonuniform albedo? Scientific American, 26 Jan. 2021 In contrast to ‘Oumuamua, 2I/Borisov displays no extreme light curve, and its nongravitational motion is simply a consequence of asymmetric outgassing as ice comes off its surface, just as in solar system comets. David Jewitt, Scientific American, 1 Oct. 2020 In December 2017 scientists reported ‘Oumuamua's light curve. David Jewitt, Scientific American, 1 Oct. 2020 Barentsen also included a preliminary graph of the light curve, the way the star darkened as planets passed across it, which shows hints of at least six planets (as well as star spots) visible in the data. Sarah Lewin Frasier, Scientific American, 10 Mar. 2017 Based on their almost-identical light curves, these worlds would all be nearly the same size: slightly bigger than Earth. Adam Mann, Scientific American, 3 July 2019 In the end, the team uncovered 18 additional planets from 517 K2 light curves. Nadia Drake, National Geographic, 28 May 2019 Another possibility is that Ultima Thule is surrounded by dust or small moons that even out its light curve, but this explanation has problems too. Avery Thompson, Popular Mechanics, 21 Dec. 2018 Of the more than 150,000 stars Kepler surveyed, just one—dubbed KIC 8462852, after its number in the Kepler Input Catalog—displayed a light curve that defied explanation. Kimberly Cartier, Scientific American, 1 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'light curve.' 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 light curve

1890, in the meaning defined above

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Time Traveler for light curve

Time Traveler

The first known use of light curve was in 1890

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Cite this Entry

“Light curve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20curve. Accessed 19 Jan. 2022.

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More from Merriam-Webster on light curve

Britannica.com: Encyclopedia article about light curve

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