light curve

noun

: 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 The most significant source of data came from ground telescopes all over the world that measured both asteroids’ light curve. Laura Baisas, Popular Science, 20 Mar. 2024 Comparing the light curves before and after impact helped the team learn how DART changed Dimorphos’ motion. Laura Baisas, Popular Science, 20 Mar. 2024 Combining the data, UNITE’s lead scientist Lauren Sgro of the SETI Institute produced a comprehensive light curve showcasing every citizen astronomer’s contributions. Chiara Villanueva, The Mercury News, 15 Jan. 2024 The basic problem is that the eclipse has a fairly flat bottom, as seen in this light curve from the previous eclipse in 1982-84. Sean Carroll, Discover Magazine, 19 Nov. 2019 The government also published the meteor’s light curve, a graph of its brightness over time. Seth Fletcher, New York Times, 24 Aug. 2023 The light curve below, for the star KIC 6185331, displays an obvious dip (around day 28). Andrew Grant, Discover Magazine, 27 Nov. 2012 However, when searching for exocomets, astronomers don't look for symmetrical dips in the light curve. Jake Parks, Discover Magazine, 4 Apr. 2019 The light curve created by Earth passing in front of the sun might set off an alien invasion. Eric Betz, Discover Magazine, 31 Mar. 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'light curve.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of light curve was in 1857

Dictionary Entries Near light curve

Cite this Entry

“Light curve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20curve. Accessed 21 Jun. 2024.

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