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light curve

American  

noun

Astronomy.
  1. a graph showing variations in brightness of celestial objects over time.


Etymology

Origin of light curve

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers define a light curve as a measurement of the brightness of a star over a longer period of time.

From Science Daily • Apr. 12, 2024

This is reflected in the light curve as a regularly recurring drop in brightness.

From Science Daily • Apr. 12, 2024

Due to the movement of the moon and planet around their mutual center of gravity, this additional dimming in the light curve would follow a rather complicated pattern.

From Science Daily • Dec. 7, 2023

The international team of astronomers was formed after an enthusiast viewed the light curve of the star and noticed something strange.

From Science Daily • Oct. 11, 2023

M. H. E. Lau finds that the short-period variable star δ Cephei varies slightly in colour as well as in light, and that the colour curve is parallel to the light curve.

From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard

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