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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.
Sault-de-Navailles is a commune in the Pyrénées-Atlantiques department in south-western France.
Sacramento ( SAK-rə-MEN-toh; Spanish: [sakɾaˈmento], Spanish for ''sacrament'') is the capital...
Gornji Petrovci (pronounced [ˈɡoːɾnji pɛˈtɾoːu̯tsi]; Hungarian: Péterhegy, Prekmurje Slovene:...