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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.
Butterflies. Butterfly/ butterflies. A common motif used in Chinese embroidery and in Chinaware. [ 12] The butterfly is a symbol of joy and summer. [ 12] It also implies long life, beauty and elegance. [ 6] Pair of butterflies. Pair of butterflies embroidered on clothing strengthens the energy of love.
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.
Cloud iridescence, seen above the clouds covered with grey clouds, Pondicherry, India. Cloud iridescence or irisation is a colorful optical phenomenon that occurs in a cloud and appears in the general proximity of the Sun or Moon. The colors resemble those seen in soap bubbles and oil on a water surface. It is a type of photometeor.
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 ...
A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') [ 1] is an optical phenomenon produced by light (typically from the Sun or Moon) interacting with ice crystals suspended in the atmosphere. Halos can have many forms, ranging from colored or white rings to arcs and spots in the sky.
American Civil War. United States Colored Troops ( USCT) were Union Army regiments during the American Civil War that primarily comprised African Americans, with soldiers from other ethnic groups also serving in USCT units. Established in response to a demand for more units from Union Army commanders, USCT regiments, which numbered 175 in total ...