Constellation, does a * * * have 12 or 13?

If you are asking about scientific constellations, the International Astronomical Union divides the sky into 88 official constellations with precise boundaries. There are nearly 6,000 stars visible to the naked eye, each of which can be classified as a unique constellation. Each constellation can be identified by the shape of the bright star inside. Most of these official constellations are based on the ancient Greek traditional constellations handed down from the Middle Ages. These 88 constellations are divided into three celestial regions, 29 in the northern hemisphere, 47 in the southern hemisphere, and near the equator and ecliptic 12. 29 constellations in the northern hemisphere: Ursa minor, Ursa major, Draco, Lyra, Eagle, Cygnus, Wuxian, Dolphin, Sagittarius, Fox, Pegasus, Scorpion, Corona Nordica, Ophiuchus, Leo Minor, Canine, Backrow, Shepherd and Tmall. 47 constellations in the southern hemisphere: Guan Qing, Tian Yan, Temple of Heaven, Condor, Canis Canis, Sagittarius, Whale, Big Dipper, Compass, Pigeon, Corona, Raven, Dajue, Southern Cross, Swordfish, Bojiang, Celestial Furnace and Dragon Boat. Phoenix, picture frame, southern fish, tail, compass, network, yufu, shield, sextant, telescope, triangle, cuckoo, sailing boat, flying fish. 12 Zodiac signs: Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn and Aquarius.

If you want to ask about astrological constellations, in astrology, the constellation of ecliptic 12 is synonymous with the orientation of the universe and represents the basic personality prototype of 12. When a person is born, the position of each star on the ecliptic just shows a person's innate character and talent. Zodiac 12 symbolizes the psychological level and reflects a person's behavior. So the ecliptic is divided into 12 constellation, which is called 12 constellation. Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces.

In addition, in ancient China, there were 28 stars on Sunday.

In ancient China, in order to observe the astronomical phenomena and the movements of the five stars of the sun, the moon and the moon, 28 star officials were selected as observation signs, which were called "Twenty-eight Hostels". Divided into four groups on average, each group has seven nights, with four directions of east, west, north and south, and animal images such as Qinglong, White Tiger, Suzaku and Xuanwu. Twenty-eight branches are located in 28 areas near the ecliptic and the white road, namely, seven branches in the east, seven branches in the south, seven branches in the west and seven branches in the north.

The seven accommodations of East Palace Qinglong are: horn, health, edge, room, heart, tail and basket;

The seven nights that Nangong Suzaku belongs to are: well, ghost, willow, star, Zhang, wing and bird;

The seven nights that Xigong White Tiger belongs to are: Kui, Lou, Wei, Chang, Bi, Gou and Shen;

Gong Bei Xuanwu (tortoise and snake) belongs to seven nights: fighting, ox, female, emptiness, danger, house and wall.