The rise of Aquarius is a sign of the sun. Constellations X and X Ρ ngzu Any constellation that appears to form some form in the starry sky. According to Ptolemy's catalog in the 2nd century A.D., there were 48 constellations, each named after a mythical figure, animal or vessel. Forty constellations were later added by Greek and Roman people to supplement the position of any constellation in the left blank sky area, such as the sky area around the South Pole, which is invisible in the Mediterranean region.
Constellation definition
Constellation is an indispensable part of astrology and a group of stars in the sky. Since ancient times, humans have associated the three or five stars with their mythical figures or artifacts, which are called constellations. Constellation is a means to determine the orientation of the sky in almost all civilizations. It is widely used in navigation field. The division of constellations is completely artificial, and different civilizations have different divisions and names.
There is no uniform precise boundary for constellations until 1930, when the International Astronomical Union divided the sky into 88 official constellations with precise boundaries, so that every star in the sky belongs to a specific constellation. Most of these official constellations are based on ancient Greek myths handed down from the Middle Ages and early times.