Asterisms are the set of stars that, by the way, are grouped naturally, forming a kind of geometric figure, recognizable to most humans. That is to say; This is a luminous phenomenon offered by some minerals that show a bright star within their mass.
Since ancient times, man delighted in observing the large number of glowing bodies found in the sky. Thus, and with the development of new technologies and diversification of beliefs, they began to be associated with certain aspects of daily life, in addition to serving as a kind of guide to evaluate each of the seasons and the future of people.
Around the year 1930, due to the discrepancies present in the various atlases in the constellation maps, the International Astronomical Union decided to establish a series of universal parameters, to avoid the useless appearance of other formations.
Currently, most ships have the right technology so that ships are not lost at sea. On the other hand, navigation charts are a very useful tool in this regard. In ancient times, these two tools did not exist, so the constellations became the only valid reference. For centuries the asterisms of the Big Dipper, Cassiopeia, the Big Dipper Pegasus and many others have been sources of information first order for navigation in the two hemispheres of the planet.
In the branch of topography, an asterism graphically consists of three asterisks placed at the vertices of an imaginary equilateral triangle (triangle, its name comes from the astronomical concept of asterism, which indicates a group of at least three stars). Asterism is used to draw attention to a passage or to separate subchapters in a book. Its Unicode code is U + 2042, but sometimes this character is replaced by three or more asterisks or periods. Sometimes it can be replaced by an extra space between two paragraphs to indicate a separation between sub-chapters. This character should not be confused with the symbol (Unicode character U + 2234), similarly but constructed with three dots.
