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light curve

noun, Astronomy.
a graph showing variations in brightness of celestial objects over time.
Origin of light curve
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Contemporary definitions for light-curve

a graph showing the variation in the light received over a time period from a variable celestial object, as a star

Usage Note

astronomy's 21st Century Lexicon
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