What is a constellation? How are constellations divided?

2. Taurus: April 2 1 to May 2 1 (Taurus).

3. Gemini: May 22nd to June 2nd1(Gemini).

4. Cancer: June 22nd to July 22nd (Cancer).

5. Leo: July 23rd to August 23rd (Leo).

6. Virgo: August 24th to September 23rd (Virgo).

7. Libra: September 24th ~ 65438+1October 23rd (Libra).

8. Scorpio: 65438+1October 24th ~165438+1October 22nd (Scorpio).

9. Sagittarius:165438+1October 23rd ~ 65438+February 2nd1(Sagittarius).

10, Capricorn: 65438+February 22nd ~ 65438+1October 20th (Capricorn).

1 1, Aquarius: 1 ~ 19 February (Aquarius).

12, Pisces: February 20th to March 20th (Pisces).

Significance and application of constellations;

It is almost as difficult for friends to meet each other as the stars in the morning and evening.

Du Fu's Eight Guards for Chu Shi. As mentioned in the ancient poem, the two stars of Shen and Shang, one east and one west, will never meet. Betelgeuse is actually Orion; Xinsu, also called Shangsu, is a Scorpio; For friends, meeting each other is almost as difficult as the morning star and the evening star refer to Scorpio and Orion.

In ancient times, the rise and fall of stars or constellations were often used to navigate and determine time. Ancient Egypt determined the beginning of a year by observing the rise of Sirius. In some areas, the ancient technology of determining position by observing stars still remains.

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