The time series of brightness measurements for a star is called a light curve. (scientificamerican.com)
Based on an analysis of the Kepler brightness measurements, along with high - resolution imaging and spectroscopy, Doppler spectroscopy, and (for 11 stars) astero... ▽ More We report on the masses, sizes, and orbits of the planets orbiting 22 Kepler stars. (arxiv.org)
Fisher and her colleagues found evidence of lunar frost by comparing temperature readings from LRO's Diviner instrument with brightness measurements from the spacecraft's Lunar Orbiter Laser Altimeter, or LOLA. (sciencedaily.com)