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Sunlight in the broad sense is the total spectrum of electromagnetic radiation given off by the Sun. On Earth, solar radiation is obvious as daylight when the Sun is above the horizon. This is usually during the hours known as day. Near the poles in summer, sunlight also occurs during the hours known as night and in the winter at the poles sunlight may not occur at any time. When the direct radiation is not blocked by clouds, it is experienced as sunshine, a combination of bright light and heat. Radiant heat on the body and other objects that is directly produced by the radiation of the sun should be distinguished from the increase in air temperature due to the radiative heating of the atmosphere by the sun's radiation.The World Meteorological Organization defines sunshine as direct irradiance from the Sun measured on the ground of at least 120 W m-2.
Sunlight is also the trade name of the world's first packaged, branded laundry soap producted by Lever BrothersLever Brothers was founded in 1885 by William Hesketh Lever and established soap factories around the world, producing the famous Sunlight, the world's first packaged, branded laundry soap. In 1917, the company began to diversify into foods, acquiring fis.
1 Cultural aspects
Many people find direct sunlight to be too bright for comfort, especially when reading from white paper upon which the sun is directly shining. Indeed, looking directly at the sun can cause permanent vision damage. To compensate for the brightness of sunlight, many people wear sunglassesSunglasses (also called sun spectacles see usage of words for eyepieces) are a kind of visual correction aid, variously termed spectacles or glasses, which feature lenses that are coloured or darkened to screen out strong light from the eyes. Many people. CarsAn automobile usually called a car (an old word for carriage) or a truck is a wheeled vehicle that carries its own engine. Older terms include horseless carriage and motor car with "motor" referring to what is now usually called the engine. The act of ope, many helmetA helmet is a form of protective clothing worn on the head and usually made of metal or some other hard substance, typically for protection from falling objects or high-speed collisions. Helmets are common in the military, construction, mining and some sps and capAlternate meaning: in meteorology, a cap is a capping inversion . A cap is a form of headgear. Caps are generally soft, and often have no brim, or just a peak (like on a baseball cap). For many centuries women wore a wide variety of head-coverings which ws are equipped with visorAlan Bean on the moon wearing a helmet with a visor A visor is a surface that protects the eyes, such as shading them from the sun or other bright light or protecting them from objects. Types of visors include: A type of hat consisting only of a visor ands to block the sun from direct vision when the sun is at a low angle.
In colder countries many people prefer sunnier days and often avoid the shadeShade is the blocking of sunlight (in particular direct sunshine) by any object, and also the shadow created by that object. It may refer to blocking of sunlight by a roof, a tree, an umbrella, a window shade or blind, or anything else. Shade is an import. In hotter countries the converse is true; during the midday hours many people prefer to stay inside to remain cool. If they do go outside, they seek shade which may be provided by treeThis article is about the biological organisms known as trees. For other meanings of the word see tree (disambiguation). oak tree in Denmark A tree can be defined as a large perennial woody plant. Though there is no set definition of size, it is generallys, parasols, and so on.
Sunshine is often blocked from entering buildings through the use of window blinds, awning s, shutters or curtains.
