1928 divide the whole sky into several constellation areas?

88. Most modern constellations evolved from the traditional constellations of ancient Greece, and the International Astronomical Union accurately divided the whole day into 88 constellations.

1928, in order to meet the needs of astronomical research, the General Assembly of the International Astronomical Union held in Leiden, the Netherlands, clearly divided the whole sky into 88 constellation areas, divided along the right latitude and right longitude of the celestial equator coordinate system, kept the traditional constellation names, specified their scientific names in Latin, and composed their abbreviation symbols with three clear capitals.

Western constellations originated in Babylon, one of the four ancient civilizations. It is said that the so-called zodiac 12 constellation has more than 20 constellation names, and Mesopotamia was born about 5000 years ago. Since then, the Babylonians have continued to divide the sky into many regions and put forward new constellations.

Extended data

Modern international constellation division can be traced back to Babylon. Babylon had the earliest constellation name as early as 5000 years ago. In 13 century BC, the zodiac was divided into 12 constellations, which were called "Zodiac", meaning 12 in the solar year. Later, it gradually expanded and named more constellations.

In the 2nd century AD, Ptolemy, an ancient Greek astronomer, compiled a table containing 48 constellations on the basis of summarizing previous knowledge. 16 ~/kloc-the geographical discovery of Europe in the 0/7th century also supplemented some constellations in the southern sky. At this time, the concept of constellation is only a combination of some bright stars visible to the naked eye, and there is no clear boundary between constellation and constellation.

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