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A colorful rainbow and ring-billed gull. Rainbows can be observed whenever there are water drops in the air and sunlight shining from behind the observer at a low altitude angle. Because of this, rainbows are usually seen in the western sky during the morning and in the eastern sky during the early evening.
ROYGBIV is an acronym for the sequence of hues commonly described as making up a rainbow: red, orange, yellow, green, blue, indigo, and violet. When making an artificial rainbow, glass prism is used, but the colors of "ROY-G-BIV" are inverted to VIB-G-YOR". There are several mnemonics that can be used for remembering this color sequence, such ...
A monochrome or red rainbow is an optical and meteorological phenomenon and a rare variation of the more commonly seen multicolored rainbow. Its formation process is identical to that of a normal rainbow (namely the reflection/refraction of light in water droplets), the difference being that a monochrome rainbow requires the sun to be close to ...
Moonbow. A moonbow (also known as a moon rainbow or lunar rainbow) is a rainbow produced by moonlight rather than direct sunlight. Other than the difference in the light source, its formation is the same as for a solar rainbow: It is caused by the refraction of light in many water droplets, such as a rain shower or a waterfall, and is always ...
The rainbow has found a place in the mythological systems of many cultures. It is sometimes personified as a deity, such as the Greco-Roman messenger goddess Iris, or the Aboriginal Australian Rainbow Serpent . In Albanian folk beliefs the rainbow is regarded as the belt of the goddess Prende, and oral legend has it that anyone who jumps over ...
According to Hesiod 's Theogony, Iris is the daughter of Thaumas and the Oceanid Electra and the sister of the Harpies: Arke and Ocypete. [ 8] During the Titanomachy, Iris was the messenger of the Olympian gods while her sister Arke betrayed the Olympians and became the messenger of the gods' enemy, the Titans. She is the goddess of the rainbow.
Description. Rainbow-diagram-ROYGBIV.svg. English: * A vectorized version of Rainbow-diagram-ROYGBIV.PNG. Rainbow diagram showing the conventional arrangement of colours: Red Orange Yellow Green Cyan Blue and Violet. The colours shown do not necessarily correspond to actual wavelengths.
In a SMPTE color bar image, the top two-thirds of the television picture contain seven vertical bars of 75% intensity. In order from left to right, the colors are white or gray, yellow, cyan, green, magenta, red, and blue. [ 18] The choice of white or gray depends on whether that bar's luminance is 100% or not.