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The Bat-Signal is a distress signal device appearing in American comic books published by DC Comics, as a means to summon the superhero, Batman.It is a specially modified searchlight with a stylized emblem of a bat affixed to the light, allowing it to project a large bat symbol onto cloudy night skies over Gotham City.
Color temperature is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body. The temperature of the ideal emitter that matches the color most closely is defined as the color temperature of the original visible light source.
White light is dispersed by a prism into the colors of the visible spectrum. The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the ...
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 ...
Below the lance-head, there is a cravat (laço militar) divided lengthwise, sky blue and red, with a gold fringe at the end, tied in a bow and fastened with a cockade of blue with the Southern Cross in white stars, red, and blue. Ten red streamers with campaign honours inscribed in sky blue letters are also attached below the lance-head.
The Batplane, Batwing, Batjet or Batgyro is the fictional aircraft for the DC Comics superhero Batman. [ 1] The vehicle was introduced in "Batman Versus The Vampire, I", published in Detective Comics #31 in 1939, a story which saw Batman travel to continental Europe. [ 2][ 3] In this issue it was referred to as the "Batgyro", and according to ...
Atmospheric optics. A colorful sky is often due to indirect sunlight being scattered off air molecules and particulates, like smog, soot, and cloud droplets, as shown in this photo of a sunset during the October 2007 California wildfires. Atmospheric optics is "the study of the optical characteristics of the atmosphere or products of ...
Lavender is a light shade of purple or violet.It applies particularly to the color of the flower of the same name.The web color called lavender is displayed adjacent—it matches the color of the palest part of the flower; however, the more saturated color shown as floral lavender more closely matches the average color of the lavender flower as shown in the picture and is the tone of lavender ...