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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.
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Nuuk (Greenlandic pronunciation: [nuːk], Danish: [ˈnu(ː)k]; Danish: Godthåb [ˈkʌtˌhɔˀp]) is the capital and largest city of Greenland. Nuuk is the seat of government and the country's largest cultural and economic centre. The major cities from other countries closest to the capital are Iqaluit and St. John's in Canada and Reykjavík in Iceland. Nuuk contains almost a third of Greenland's population and its tallest building. Nuuk is also the seat of government for the Sermersooq municipality. In January 2020, it had a population of 18,326.The city was founded in 1728 by the Dano-Norwegian governor Claus Paarss when he relocated Hans Egede's earlier Hope Colony (Haabets Koloni) to the mainland, and was named Godthåb ("Good Hope"). The city officially adopted its current name in 1979, although the name "Godthåb" remained in use in Danish.