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The 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called constellations.
A constellation is a group of stars that make an imaginary shape in the night sky.
They are usually named after mythological characters, people, animals and objects
Astronomers divided the entire sky into 88 sectors, or constellations; this international system codifies the naming of stars and star patterns that began in prehistoric times.
Thus, the 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called constellations.
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