Why is Aries the first constellation?

Some people say that it depends on the time when the constellation "ecliptic 12" appears in the starry sky.

Aries Palace: The first house of the zodiac, with the symbol, the longitude of the zodiac varies from 0 to 30. It originally lived in Aries, hence its name. But due to precession, it has now moved to Pisces. On March 2 1 every year, the sun comes to this house, and the solar term is the vernal equinox, so the vernal equinox is called "the first point of Aries Palace".

Aries: One of the zodiac signs, centered at 2: 40 right ascension and 2 1 declination. There are five brighter stars than four in the constellation between Pisces and Taurus.

Lion Palace: The fifth sign of the zodiac. The longitude of the zodiac varies from 120 to 150. It was originally Leo, hence its name. Due to precession, it has now moved to Cancer. Every year around July 23rd, the sun comes to this palace, when the solar term is summer heat.

Leo: One of the zodiac signs, with the center at right ascension 10: 30 and declination 16. East of Cancer, West of Virgo and Backseat. There are 18 stars brighter than level 4 in the constellation, and the brightest star "Xuanyuan XIV" (middle name) is 1.

Virgo's house: the sixth house of the zodiac, with the symbol Virgo, is the original residence of the zodiac 150 to 180. It has moved to Leo due to precession. The sun comes to this palace around August 23rd every year, when the solar term is summer.

Virgo: One of the 12 constellations of the zodiac, with the center at right ascension 13: 20 and right declination -5. Leo is east and Libra is west. There are 15 stars brighter than level 4 in the constellation, and the brightest star "Jiaokou" (middle name) is a first-class star.

Aquarius palace: the eleventh house of the zodiac, with the symbol, the longitude of the zodiac from 300 to 330 originally lived in Aquarius palace, hence the name. Due to precession, it has now moved to Capricorn. Every year around 65438+10.20, the sun comes to this palace, when the solar terms are very cold.

Aquarius: One of the zodiac signs, with the center at 22: 40 right ascension and declination 13. South of Pegasus and Pisces, north of Pisces. There are 17 stars brighter than 4 in this constellation, and the globular cluster M2 can be seen in a small telescope.

Taurus palace: the second house of the zodiac, with the symbol, the longitude of the zodiac ranges from 30 to 60. It originally came from Taurus, hence its name. Due to precession, it has now moved to Aries. The sun comes to this palace around April 20th every year, when the solar term is Grain Rain.

Taurus: One of the zodiac signs. Center location: 4: 20 right ascension, declination 17, south of Perseus and Yufu, and north of Orion. There are the famous Pleiades and Pleiades star clusters in the constellation. There are 28 stars in the constellation that are brighter than 4.

Pisces Palace: The zodiac sign. The longitude from 330 to 360 of the zodiac was originally in Pisces, hence its name. Due to precession, it has been moved to Aquarius. The sun comes to this palace around February 19 every year, when the solar term is rain.

Pisces: One of the zodiac signs, with the center at 0: 40 right ascension and declination 10. Between the fairy, Aries, whales, flying horses and other constellations. The vernal equinox is near its southern border. Eight stars in the constellation are brighter than four, and the rest are dark stars.

Twin uterus: the third house of the zodiac, with symbols of 60-90, originally Gemini, hence its name. Due to precession, it has moved to Taurus. The sun comes to this palace around May 2 1 every year, when the solar terms are full.

Gemini: One of the zodiac signs, centered at 7 o'clock right ascension and 24 degrees declination. Between Taurus and Cancer. The brightest star "Beihe II" is a second-class star. The open cluster M35 is visible to the naked eye. There are 19 stars brighter than 4 in the constellation.

Cancer Palace: The fourth house of the zodiac, with symbols. The zodiac runs from 90 to 120. It was originally a cancer, hence its name. It has been moved to Gemini due to precession. Every year around June 22nd, the sun comes to this palace, when the solar term is summer solstice, so the summer solstice is also called "the first point of Cancer Palace".

Cancer: One of the zodiac signs, centered at 8: 40 right ascension and 20 right declination. Gemini East, Leo West. There are four brighter stars in the constellation, and there is an open cluster M44.

Capricorn Palace: The tenth sign of the zodiac. The longitude of the zodiac ranges from 270 to 300, hence its name. Due to precession, it has been moved to Sagittarius. The sun comes to this palace every year around February 22, 65438. At this time, the solar term is winter solstice, so the winter solstice is also called "the first point of Capricorn Palace".

Capricorn: one of the 12 zodiac signs, with the center at right ascension-18. East of Sagittarius and west of Aquarius. There are not many bright stars in the seat, including 2 third-class stars and 7 fourth-class stars.

Sagittarius Palace: The ninth house of the zodiac, symbolized by Sagittarius, was the original residence of the zodiac from 240 to 270, hence its name. Due to precession, it has moved to Scorpio. Every year around165438+1October 22nd, the sun comes to this palace, and the solar term is light snow.

Sagittarius: one of the 12 constellations of the zodiac, with the center at right ascension 19: 00 and right declination -28. East of Ophiuchus and west of Capricorn. Located in the brightest part of the galaxy. The center of the Milky Way is in the direction of Sagittarius. There are 20 stars in the constellation brighter than 4. The diffuse nebula M8 is visible to the naked eye. .

Libra: The seventh house of the zodiac, with the symbol, the longitude of the zodiac varies from 180 to 2 10. It was originally in Libra, hence its name. It has been moved to Virgo due to precession. The sun comes to this house around September 24th every year, when the solar term is the autumnal equinox, so the autumnal equinox is also called "the first point of Libra".

Libra: One of the zodiac signs, with the center at right ascension 15 and declination-15. Between Virgo and Scorpio. Seven stars in the constellation are brighter than level 4, and the brightest star is "zubenelgenubi" (middle name).

Scorpio Palace: The eighth house of the zodiac, symbolized by the longitude from 2 10 to 240, originally belonging to Scorpio, hence its name. Because of precession, it has now moved to Libra. Every year 10 year 10, the sun comes to this palace around 23rd, when the solar term is the first frost.

Scorpio: one of the zodiac signs, with the center at right ascension 16: 40 and right declination -36. Summer appears in the southern sky, shaped like a scorpion, with its tail pointing southeast, between Snake Man, Sagittarius and Libra. There are 22 stars in the constellation brighter than 4, and the brightest star "Antares" (middle name) is the red star of 1. The open clusters M6 and M7 are visible.