Constellation

Constellation refers to heaven herds of stars combination. Actually the same sign the stars within the mutual relationship, but no actual in its sphere projection position close. Since ancient times, people for star permutation and shape was interested, and naturally put some position close star is connected, composition constellation. Constellation is divided into north days constellation, nantian constellations and zodiac signs. The current day into 88 constellation. Constellation general with the instrument or Greek mythology named after people.

Constellation definition

Constellation in astronomy, which occupies an important position, Astrology also cloaking zodiac 12 constellations image, but astronomers didn't use the astrology as true science method of pseudoscience.

Basically, will stars form constellation is a random process, in different civilizations by different stars composed of different constellation ─ ─ although part by a conspicuous star composed of the constellation in different civilization is roughly same, such as Orion and Scorpio.

The international astronomical union with accurate boundary the sky is divided into BaShiBaGe formally sign, makes the sky every star all belong to a particular constellations. These formal constellation mostly according to medieval handed down from ancient Greek tradition constellation basis.

For convenience, people recognize star according to air star natural distribution resembles a certain area. Size. Each region is called a constellation. With lines connecting the same constellation within the bright stars, the formation of graphics, according to its shape, respectively up like animals, utensils.

Constellation origin

Western ancient constellation origin

Constellation originated in four bigancient nations ancient babylonian, about 50 years ago Mesopotamia Virginia where there is a group of Babylon shepherds living by grass and the nomadic life. In their shepherds vagabond's life, every day I still did not forget to observe flickers in the stars in the sky, as time passes, from the stars of dynamic spotted a fairly regularly moment and seasonal change. A day when evening came, they looked at the flock, side side observe various stars will more bright star interconnected, and from connected to the shape to lenovo various animals, appliances or even of their own gods, and etc, and for them by name, created the so-called constellation. Allegedly, such as now called 12 zodiac constellation etc altogether more than 20 constellations name, at that time have already born. After that, in ancient Babylon people continue to be divided into many areas, and puts forward the new constellation. But then constellation

Element of use is not much, was found and the naming of less. Zodiacal constellation at the beginning of the 12 just to measure time, not like now used to representative character. In BC 1000 years ago after proposed 30 constellation. There are the Tigris and Euphrates rivers flow from the northwest southeast, inject the Persian gulf, so also called "two river basin" area.

Two rivers to ancient Greek culture after, promote the development of the culture of ancient Greece. Ancient Greek astronomers to Babylon the constellations and complements development, drawing up ancient Greek constellation table. The 2nd century A.D., ancient Greek astronomers Ptolemy integrated with the then astronomical achievements, preparation of 48 constellation. Using false line will be the main bright stars within the constellation connect them to imagine animals or of their images, combining myth give them up the appropriate name, this is constellations name origin. Greek myth of 48 constellation mostly in northern sky and the equatorial north and south. Medieval later, European capitalism rise, need outward expansion, navigation cause got very big development. Ships sailing on the sea, at any time needs navigation, the stars are the best refers to the street lamp. And in the stars, the element of shape quite special, the most easily observation, therefore, constellation has caused wide public concern. The 16th century Magellan round-the-world, not only use constellation navigation orientation, but also on the constellation is studied.

In 1922, the international astronomical union congress decided to paint the sky into 88 constellation, its name in accordance with the name of basic in history.

Human visible star had nearly 6,000 star, each star all can be classified as only a constellation. Every signs can by one of the brightest stars consisting of shape identifiable.

Modern constellation determine

1928 the international astronomical union announced formally internationally 88 constellation scheme. It also ordered by 1875 the equinox of and the equatorial as a benchmark. According to 88 constellation in the sphere of different positions and stars infested situation, and resembles a five areas, namely north days arch extremely constellations (5), north days constellations (40 ~ 90 °, 19), zodiac sign (sphere of the 12 zodiac signs nearby), an equatorial belt constellations (10), south days constellations (- 30 ~ - 90 °, 42). All day the 88 constellation is:

North days arch extremely constellations (5) : 小熊座 (closest to the north TianJi), 大熊座, 仙后座, tianlong seat, immortal throne.

North days constellations (19) : XieHu seat, andromedas, LuBao seat, royal Cardiff seat, hound seat, fox 天鹅座 seat, and the lioness seat, Perseid, animal husbandry Cardiff seat, WuXian seat, caption:, north mian seat, days cat 天琴座 seat, dolphins, seat, pegasus constellation, triangle (small), days arrows seat (small constellation).

Zodiac sign (12) : cancer, Aries, Gemini, Aquarius, virgo, Leo, Taurus, Pisces, Capricorn, Scorpio, libra, Sagittarius.

The equatorial belt constellations (10) : pony seat, the small dog stands, retry, snake man stands, giant serpent seat, sextant seat, long snake seat, kylin seat, Orion, whales seats.

Nantian constellations (a total of 42) : tiantan seat, draw frame seat, flies seat, mountain case seat, Indian seat, days yan seat, flying fish seat, JuChe seat, sword fish seat, clock seat, tucanae, south triangle, compasses seat, Yan ting seat, telescope seat, the seat, the southern cross seat (small constellation), phoenix seat, peacock seat, Antarctic seat, WangGu seat, days crane seat, south mian seat, wolves seat, big dog stands, days pigeons seat, the raven, south fish seat, day rabbit seat, the carina, stern seat, compass seat, Vela, jade Cardiff seat, centaurus, wave jiang seat, shield block, days furnace seat, pump seat, carved benches and microscope seat, giant jenn-air seats.

Star named

In the west, most of them according to their stars are in place of your horoscope to name. Such as centaurus alpha star (ba "star nomenclature, Bayer designation), Flamsteed designation.