Is the constellation a star? ~ urgent ~ urgent

Constellation is generally composed of several stars, and the star itself is a kind of star, so the correct statement is: Constellation is composed of some stars.

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2) Why is there a 12 constellation? More than 2000 years ago, the Greek astronomer Hipparchus (190 ~ 120 BC) divided the ecliptic into 12 segments, with the spring as 0, and every 30 houses were named after the main constellations contained in each house at that time. Babies born when the earth moves to every bisector (constellation) will always have some similar characteristics when they grow up, including behavioral characteristics and personality characteristics. By connecting these associations (rich imagination and creativity) in series, these constellations are visualized; It also adds the color of myth and becomes an important part of culture (mainly Greek and Roman mythology). This set of numerology has been developed and circulated for at least five thousand years, represented by these twelve constellations respectively. But these constellations do not represent a certain "star", but can only be regarded as "representative symbols of the same name". Constellations are calculated according to the astronomical phenomena at different times, while western constellations are calculated according to different time points, so it is lucky to calculate. Astro.sunvv/3/150 The following website has the mythical origin of the twelve constellations! ! Ashcar/Zodiac/Libra 3) The solution systems are all 12? A~ Zodiac-The reason may be that there were many illiterates in ancient times. The ancients used twelve branches, such as Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai, to form sixty Jiazi, but the factors, Ugly, Yin and Mao were difficult to remember, so people used different words. In this way, it is more simple and vivid. The constellations of studeneb.bhes.tpc.edu/92s/s870239 B ~12 are calculated according to the astronomical phenomena at different times, while the constellations in the west are calculated according to different time points, which is lucky. The zodiac is divided into twelve parts.

It is analyzed by ecliptic plane bisection 12 palace system, but in fact, the changes of latitude and longitude and palace system in different places will cause differences for everyone. Please judge according to the actual situation of your personal astrolabe, and only make a principled analysis here. (Assuming a room for 2 hours), there are 12 constellations.

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