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Concept information

solar system > Sun > solar radiation > sunlight
... > theoretical physics aspects > field theory > classical field theory > electromagnetism > electromagnetic radiation > solar radiation > sunlight
... > theoretical physics aspects > field theory > classical field theory > electromagnetism > electromagnetic radiation > visible radiation > sunlight

Terme préférentiel

sunlight  

Définition(s)

  • Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon. When direct solar radiation is not blocked by clouds, it is experienced as sunshine, a combination of bright light and radiant heat. When blocked by clouds or reflected off other objects, sunlight is diffused. Sources estimate a global average of between 164 watts to 340 watts per square meter over a 24-hour day; this figure is estimated by NASA to be about a quarter of Earth's average total solar irradiance. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Sunlight)

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RDF/XML TURTLE JSON-LD Dernière modif. 24/04/2023