Fortune Telling Collection - Zodiac Guide - The story of 88 constellations
The story of 88 constellations
These 88 constellations vary in size and shape, and the largest is Ophiuchus. East and west across 102, it is really a veritable "long snake array". However, there are no particularly bright stars in this area, which is not very noticeable. The constellation with the smallest range is the Southern Cross near the south celestial pole.
The more striking bright stars are the "big men" among the stars, and people have given them names. For many stars, in 1603, Johann, a German amateur astronomer, proposed a naming method: arrange the stars in each constellation from light to dark, and add a Greek alphabetical order to the constellation name. Such as Orion α (Betelgeuse), Orion β (Betelgeuse), Orion γ (Betelgeuse) and Orion δ (Betelgeuse). If the number of stars in a constellation exceeds 24 Greek letters, use the constellation name followed by Arabic numerals, such as cygnus 6 1, Scorpio 17. Nowadays, large telescopes and new observation technologies are constantly emerging, and more and more stars are observed. Astronomers, like managing household registration, register one by one and compile a catalogue. The numbers in the catalogue are the same as the names of celestial bodies. Astronomers can aim telescopes at celestial bodies according to the coordinates recorded in the catalog.
The oldest record catalogue in the world is the Shi Gan catalogue in the 5th century BC. The recorded star map is the Dunhuang star map of China. At present, there are thousands of catalogues in the world. The most important thing is the catalogue and star map of Hubble Space Telescope.
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