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A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. [ 1] The first constellations likely go back to prehistory. People used them to relate stories of their beliefs, experiences, creation, mythology.
Five-pointed star. A five-pointed star (☆), geometrically an equilateral concave decagon, is a common ideogram in modern culture. Comparatively rare in classical heraldry, it was notably introduced for the flag of the United States in the Flag Act of 1777 and since has become widely used in flags.
The {8/3} star polygon ( octagram) is a frequent geometrical motif in Mughal Islamic art and architecture; the first is on the emblem of Azerbaijan. An eleven pointed star called the hendecagram was used on the tomb of Shah Nematollah Vali. [ 11] An {8/3} octagram constructed in a regular octagon.
The EURion constellation (also known as Omron rings[ 1] or doughnuts[ 2]) is a pattern of symbols incorporated into a number of secure documents such as banknotes, checks, and ownership title certificates designs worldwide since about 1996. It is added to help imaging software detect the presence of such a document in a digital image.
Star chart. A celestial map by the Dutch cartographer Frederik de Wit, 1670. A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations, stars, nebulae, galaxies, and planets. [ 1] They have been used for human navigation since time immemorial. [ 2]
While its Western name come from the star pattern's resemblance to a kitchen ladle, in Filipino, the Big Dipper and its sister constellation the Little Dipper are more often associated with the tabo, a one-handled water pot used ubiquitously in Filipino households and bathrooms for purposes of personal hygiene. [citation needed]
The only star that does not belong to a constellation is the Sun. The Sun travels through the 13 constellations along the ecliptic, the 12 of the Zodiac and Ophiuchus . Among the remaining stars, the nearer ones exhibit proper motion , so it is only a matter of time before some of them cross a constellation boundary and switch constellations as ...
In practice, names are only universally used for the very brightest stars ( Sirius, Arcturus, Vega, etc.) and for a small number of slightly less bright but "interesting" stars ( Algol, Polaris, Mira, etc.). For other naked eye stars, the Bayer or Flamsteed designation is often preferred. In addition to the traditional names, a small number of ...
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