How many constellations is the whole sky divided into? How many constellations is the whole sky divided into?

Astronomers divide the stars in the whole sky into 88 constellations by region. There are countless stars in the celestial sphere. In order to facilitate research and observation, people divide the starry sky into several regions, and each region is a constellation. Just as the province is divided into many counties and cities, each constellation is given the names of people, animals or objects in fairy tales.

2. Western constellations first began in Babylonian times. In Ptolemy in the 2nd century, the whole day was divided into 48 constellations, and then about 40 constellations were added one after another, but the constellations were constantly changing and supplementing. 1930, the international astronomical society announced that the whole day would be divided into 88 constellations and their boundaries, including 28 in the north, 0/2 in the ecliptic/kloc, and 48 in the south.

3. In ancient times, China was divided into stars and astrologers, of which three walls and twenty-eight nights were the most important. These three walls mean that the sky around the North Pole and overhead is divided into three areas, namely Ziweiyuan, Taiweiyuan and Shi Tian Wall, while the celestial ecliptic and the sky around the equator are divided into four elephants, and each elephant is subdivided into seven areas, collectively called 28 nights. These are the unique names of constellations in China.

There are countless bright stars in the night sky. In order to distinguish them, all the ancient nationalities named the stars. For example, the stars in ancient China were named after emperors, officials, figures, vessels, animals and plants, such as the emperor, Jiuqing, Zhinv, Guansuo and pumpkin. In the west, Babylonians first named the stars, and later Arabs and Greeks added them one after another. Today, about 200 stars have their own names, such as Sirius and Vega.