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This is because each raindrop is a sphere and it scatters light over an entire circular disc in the sky. The radius of the disc depends on the wavelength of light, with red light being scattered over a larger angle than blue light. Over most of the disc, scattered light at all wavelengths overlaps, resulting in white light which brightens the sky.
Viola sororia ( / vaɪˈoʊlə səˈrɔːriə / vy-OH-lə sə-ROR-ee-ə ), [ 5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood violet.
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 ...
Periwinkle is a color in the blue and violet family. Its name is derived from the lesser periwinkle or myrtle herb ( Vinca minor) which bears flowers of the same color. The color periwinkle is also called lavender blue and light blue violet. [ 2] The color periwinkle may be considered a pale tint of purple-blue in the Munsell color system, or a ...
The common phrase " red sky at morning " is a line from an ancient rhyme often repeated with variants by mariners [ 1] and others: Red sky at night, sailors' delight. Red sky at morning, sailors take warning. [ 2][ 3][ 4] The concept is over two thousand years old and is cited in the New Testament as established wisdom that prevailed among the ...
The blue hour (from French l'heure bleue; [ 1][ a] pronounced [lœʁ blø]) is the period of twilight (in the morning or evening, around the nautical stage) when the Sun is at a significant depth below the horizon. During this time, the remaining sunlight takes on a mostly blue shade. This shade differs from the colour of the sky on a clear day ...
Instead, it traditionally treats light blue (голубой, goluboy) as a separate color independent from plain or dark blue (синий, siniy), with all seven "basic" colors of the spectrum (red–orange–yellow–green– голубой / goluboy (sky blue, light azure, but does not equal cyan)– синий / siniy ("true" deep blue, like ...
Violet is at one end of the spectrum of visible light, between blue light, which has a longer wavelength, and ultraviolet light, which has a shorter wavelength and is not visible to humans. Violet wavelengths are between approximately 380 and 435 nanometers. Violet objects often appear dark, because human vision becomes less sensitive at ...