Guardian line of the twelve constellations?

1922, the General Assembly of the International Astronomical Union decided to divide the sky into 88 constellations, and their names basically followed the historical names. 1928, the international astronomical union officially announced the names of 88 constellations. These 88 constellations are divided into three celestial regions, 29 in the northern hemisphere and 47 in the southern hemisphere, near the ecliptic 12. And the constellation we usually say is the 12 constellation on the ecliptic.

Aries, the first constellation of the zodiac 12, ruled by Mars, is located in the 0 ~ 30 degree interval of the zodiac, and the relative constellation is Libra.

Taurus, the second constellation of the zodiac 12, ruled by Venus, is located between 30 and 60 degrees of the zodiac, and the relative constellation is Scorpio.

Gemini, the third constellation of the ecliptic 12, ruled by Mercury, is located between 60 and 90 degrees of the ecliptic, and the relative constellation is Sagittarius.

Cancer is the fourth sign of the zodiac 12. The guardian star is the moon, which is located in the interval of 90 ~120 of the ecliptic, and the relative constellation is Capricorn.

Leo, the fifth constellation of the zodiac 12, ruled by the sun, is located in the interval of zodiac 120 ~ 150, and the relative constellation is Aquarius.

Virgo. The sixth sign of the zodiac 12, ruled by Mercury, lies in the interval of 150 ~ 180, and the relative sign is Pisces.

Libra, the seventh sign of the Zodiac 12, ruled by Venus, lies between the Zodiac 180 and 2 10.

Scorpio, the eighth constellation of the ecliptic 12, ruled by Pluto and Mars, is located in the interval of ecliptic 2 10 ~ 240.

Sagittarius, the ninth constellation of the ecliptic 12, is ruled by Jupiter, which lies between 240 and 270 degrees of the ecliptic.

Capricorn, the tenth sign of the zodiac 12, ruled by Saturn, lies between 270 and 300 degrees of the zodiac.

Aquarius, the eleventh constellation of the zodiac 12, is controlled by Uranus, located in the 300 ~ 330 degree interval of the zodiac, and the relative constellation is Leo.

Pisces, the twelfth sign of the zodiac 12, ruled by Neptune, is located between 330 and 360 degrees of the zodiac, and the relative sign is Virgo.

As mentioned above, Pluto is the main star of Scorpio.