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[50] [51] Shortly after, the fourth-order rainbow was photographed as well, [52] [53] and in 2014 the first ever pictures of the fifth-order (or quinary) rainbow were published. [54] The quinary rainbow lies partially in the gap between the primary and secondary rainbows and is far fainter than even the secondary.
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 positioned ...
A fog bow, sometimes called a white rainbow, [1] is a similar phenomenon to a rainbow; however, as its name suggests, it appears as a bow in fog rather than rain. [2] Because of the very small size of water droplets that cause fog—smaller than 0.05 millimeters (0.0020 in)—the fog bow has only very weak colors, with a red outer edge and ...
The circumzenithal arc, also called the circumzenith arc (CZA), the upside-down rainbow, and the Bravais arc, [1] is an optical phenomenon similar in appearance to a rainbow, but belonging to the family of halos arising from refraction of sunlight through ice crystals, generally in cirrus or cirrostratus clouds, rather than from raindrops.
The 2nd-century Roman writer and philosopher Apuleius in his Apologia says "What is the cause of the prismatic colours of the rainbow, or of the appearance in heaven of two rival images of the sun, with sundry other phenomena treated in a monumental volume by Archimedes of Syracuse." [22]
Rainbow window decoration in Walthamstow, May 2020. The rainbow was adopted as a symbol of hope during the COVID-19 pandemic, especially during periods of lockdown. Households worldwide displayed home-made images of rainbows in their windows, often alongside positive messages. [11] The rainbow has been a symbol of ethnic and racial diversity.
English: * A vectorized version of Rainbow-diagram-ROYGBIV.PNG. Rainbow diagram showing the conventional arrangement of colours: Red Orange Yellow Green Blue Indigo and Violet. The colours shown do not necessarily correspond to actual wavelengths.
The most familiar images of Elizabeth—the Armada, Ditchley, and Rainbow portraits—are all associated with unique events in this way. To the extent that the contexts of other portraits have been lost to scholars, so too the keys to understanding these remarkable images as the Elizabethans understood them may be lost in time; even those ...