How are the thirteen constellations sorted?

The birthday dates of the thirteen constellations are as follows:

Aries

Taurus 5/ 14-6/22

Gemini 6/23-7/2 1

Cancer July 22nd to August 10

Lion 8/ 1 1-9/ 16

Virgo 9/17-10/31

Libra111-1/23

Scorpio11/24-11/29

Ophiuchus11/30-12/17

Sagittarius12/18-119

Capricorn 1/20-2/ 17

Aquarius 2/ 18-3/ 1 1

Pisces 3/ 12-4/ 18

The thirteenth constellation is Ophiuchus.

In mythology, Ophiuchus is a man who jumps snakes, similar to the Greek god of medicine.

Ophiuchus is like a locked clock, and the brightest alpha star in Ophiuchus is above the clock, which is called "the back". He, Altair (Eagle) and Vega (Lyra) form an isosceles triangle, through which Ophiuchus can be found quickly.

Ophiuchus is one of the zodiac signs. Seen from the earth, Ophiuchus is located to the south of Ursa major, to the north of Scorpio and Sagittarius, and to the west of the Milky Way. Ophiuchus is the only constellation connected with another constellation-Ophiuchus. At the same time, Ophiuchus is the only constellation that crosses the celestial equator, the galactic channel and the ecliptic. Every year around165438+1October 30th, the sun passes through Ophiuchus until it enters Sagittarius in February of 17.

Reference website: First Constellation Network