The apparent position of each star is uniquely characterized by its coordinates. Why is the concept of a constellation preserved in modern astronomy?
Historically, the constellation arose as a specific configuration of stars, now it is a specific area of the celestial sphere. In 1922, the entire sky was divided into 88 constellations, of which 31 are in the northern hemisphere, 48 are in the southern, and the remaining 9 are located on both sides of the celestial equator. The concept of a constellation is very convenient for quick orientation in the starry sky.
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