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RAINBOW

RAINBOW

In atmospheric physics and meteorology, the rainbow is an optical atmospheric phenomenon, which produces an almost continuous spectrum of light in the sky, and this is possible thanks to the light of the Sun, which passes through the drops of water remained in suspension after a storm, or near a waterfall or a fountain.

The electromagnetic spectrum of the rainbow includes wavelengths both visible and invisible to the naked eye, which can be detected using a spectrometer.



The Greek philosopher Alexander of Aphrodisias, in the II-III century, described the phenomenon that occurs when there are two rainbow arcs: the area of sky below the main arc, the lower one, appears brighter than the one below above.

After several theories explained over time by different scholars, Newton was the first to demonstrate that white light was composed of light of all the colors of the rainbow, which could be separated into a complete spectrum of colors by a glass prism, rejecting the theory that colors were produced by a modification of white light.
He also showed that red light was refracted less than blue light, which led to the first scientific explanation of the main features of the rainbow.



Isaac Newton originally (1672) distinguished only five primary colors: red, yellow, green, blue and violet.
Only later did he introduce orange and indigo, giving seven colors by analogy with the number of notes in a musical scale.



In Irish mythology, the secret hiding place of the leprechaun, a sort of elf, is a pot full of gold, which is generally placed at the end of the rainbow, a place that is practically impossible to reach.

Also in Sardinia it is said that, under the rainbow, there is a pot of gold coins or a treasure: and in our case the treasure that you can find at the end of the rainbow is the Royal Boutique Hotel, full of friendly people and kind who can't wait to be able to accompany you on your holiday.
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