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Disability glare is often caused by the inter-reflection of light within the eyeball, reducing the contrast between task and glare source to the point where the task cannot be distinguished. When glare is so intense that vision is completely impaired, it is sometimes called dazzle .
A classical planet is an astronomical object that is visible to the naked eye and moves across the sky and its backdrop of fixed stars (the common stars which seem still in contrast to the planets). Visible to humans on Earth there are seven classical planets (the seven luminaries ). They are from brightest to dimmest: the Sun, the Moon, Venus ...
The night sky is the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon . Natural light sources in a night sky include moonlight, starlight, and airglow, depending on location and timing. Aurorae light up the skies above the ...
Starlight is the light emitted by stars. [1] It typically refers to visible electromagnetic radiation from stars other than the Sun, observable from Earth at night, although a component of starlight is observable from Earth during daytime . Sunlight is the term used for the Sun's starlight observed during daytime.
Some American Mercedes drivers can enjoy a dazzling light display as they start up or shut off their cars at night. Moving streaks of light wash across the pavement or walls in front of the car ...
A mirage of an astronomical object is a meteorological optical phenomenon, in which light rays are bent to produce distorted or multiple images of an astronomical object. The mirages might be observed for such celestial objects as the Sun, the Moon, the planets, bright stars, and very bright comets.
Dazzling light effects during a Kanye West show in 2011. Stage lighting has multiple functions, including: Selective visibility: The ability to see what is occurring on stage. Any lighting design will be ineffective if the viewers cannot see the characters, unless this is the explicit intent.
Apollo, god of light, among many other things. Eos, goddess of the dawn. Hemera, personification of day. Hyperion, Titan of light; sometimes conflated with his son Helios. Lampetia, goddess of light, and one of the Heliades or daughters of Helios , god of the Sun, and of the nymph Neera . Theia, Titaness of sight and the shining light of the ...
Luminous intensity. In photometry, luminous intensity is a measure of the wavelength -weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit .
Daguerreotype of the poet Emily Dickinson, taken circa 1848. " There's a certain Slant of light " is a lyrical poem written by the American poet Emily Dickinson (December 10, 1830 – May 15, 1886). The poem's speaker likens winter sunlight to cathedral music, and considers the spiritual effects of the light.