Information that Libra appears in the starry sky, etc.

Libra (tiā n? chèng？ Zuò), September 23-65438+1October 23, the seventh house of the zodiac, sometimes translated as Libra, is located in the southeast of Virgo and also belongs to the zodiac. The four brightest 3m stars α, β, γ and σ in the constellation form a quadrilateral, and the β star and the spring triangle form a big diamond, so you can find this constellation. Latitude variation is located at+65 and? It is completely visible between 90 degrees.

Chinese name:? Libra?

Latin full name:? Libra?

Latin abbreviation:? Lib？

Symbol:? Libra?

Right ascension: 15? h？

Declination:? -15 degrees?

Region:? 538 square degrees?

Regional ranking:? The 29th?

Number of bright stars:? 2?

The brightest star:? Zubeneschamali (Libra β)?

Meteor shower: Libra meteor shower in May?

Adjacent constellations:? Ophiuchus, Virgo, Ophiuchus, Wolf, Scorpio, Ophiuchus?

Best observation time:? June?

catalogue

Introduction of constellation

Study history

Deep sky object

Detailed description of important main stars

The main star of the constellation

A brief introduction to the constellation myth constellation?

Studying history?

Deep space objects?

Important main star? Explain it in detail?

The main star of the constellation

Constellation myth

Expansion? Edit the introduction of this constellation.

Libra (Latin: Libra, astronomical symbol:? ) is one of the zodiac signs, for Ptolemy? libra

One of the constellations. Located between Virgo and Scorpio, this constellation has more than a dozen galaxies visible with 8-inch (20 cm) or larger telescopes. The four brightest stars in the constellation, α, β, γ and σ form a quadrilateral, and β and the spring triangle form a big diamond. Libra beta, whose middle name is "zubeneschamali", is the only star with green visible to the naked eye all day. Libra alpha star "zubenelgenubi" is a binary star, which is composed of α 1 with brightness of 5.2 and α2 with brightness of 2.8, and appears blue and white.

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The stars in Libra have been recognized since ancient times, but Ptolemy did not regard them as independent constellations. In Ptolemy constellation, the star of Libra belongs to Scorpio's scorpion claw, and Libra α is Scorpio's north claw (North? Claw), Libra β is the south claw of Scorpio (South? Claw). People regard the stars as a steelyard, symbolizing fairness. However, it was not until Caesar's time in the 1 th century that the Romans discovered that the sun moved to this constellation just before and after the autumnal equinox, so they drew it independently. ? Now, due to the precession of the earth, the autumnal equinox has moved to Virgo in the west. In the present era, the sun runs from 1 65438+1October1to165438+/October 23rd every year.

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NGC？ 5897: This is a loose globular cluster, which can only be seen slightly with an 8-inch (20 cm) telescope. ? NGC？ 5897

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Edit the main star of this paragraph.

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Libra α (Zubenelgenubi) and Zubenelgenubi (South Claw) are two visual binaries, which are composed of α 1 with brightness of 5.2 and α2 with brightness of 2.8, showing blue and white. ? Libra Zubeneschemali and Zubeneschemali (North Claw), a blue dwarf with a spectral classification of B8 and an apparent magnitude of 2.6, are the only green stars visible to the naked eye. ? Libra σ (70%), Zubenelakrab (scorpion's claw), eclipse star. Although Libra σ is within Libra and not on the boundary of Libra, it was previously called Scorpio γ, and it didn't become Libra σ until AD 185 1 year (Benjamin Gould answered). ? Libra δ (Pleiades Zengyi): Also known as South Australia, like Perseus β, Libra δ is an eclipse binary star. Double star eclipse means that two stars periodically block each other. From the perspective of the earth, their brightness will change. The magnitude variation of Libra δ is +4.8 to +5.9, and the light variation period is 2.3 days. ? Libra μ (Pleiades Plus Five): It consists of two stars with brightness of 5.7 and 6.7 respectively. ? Libra ι (Pleiades II): A complex multi-star, with 4.5 stars to the naked eye.

The main star of the constellation

Bayer nomenclature? Franster nomenclature? Other names? China star official? Apparent magnitude? Remarks?

Libra beta? Zubenelchemali？ Zubeneschamali？ 2.6 1?

Libra alpha 2? Zubenelgenubi？ Zubenelgenubi？ 2.75? Double star?

Libra σ? Zubenalgubi？ Discount 7? 3.29?

Libra γ Pleiades III? 4.00?

Libra 2? 4.50?

Does Libra Delta Pleiades add one star? 4.9?

Libra μ Pleiades has added 5 stars.

Libra ε Pleiades increased by 20.

Does Libra add ten? 5.2?

Libra η Xi Xiansi

Libra θ Xi fairy powder

Libra κ Day

Libra λ room adds one.

Libra angry day Yves? 3.58?

Libra τ said two words on the day? 3.66?

Libra 4? Zheweiwu

Libra 12? This Liu

Libra 48? Xi xian Ji

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Edit this constellation myth

Libra astrograph

In a very distant time, human beings and God lived together on the earth and lived a peaceful and happy life. ? Zeus had countless wives, so he also had countless children. Justitia, the goddess of justice, is the daughter of Zeus and Themis (the goddess of justice is themis Themis, the daughter of Uranus and Gaia). Zeus and all the gods in the temple regard her as the apple of their eye, but she is very independent, firm, enthusiastic and has her own thoughts. ? Poseidon was the son of Cronus and Rhea, the brother of Hades and the brother of Zeus. He is as deep and cold as the sea. ? Humans are very clever. They gradually learned to build houses and pave roads, but at the same time they also learned to intrigue and cheat. War and evil began to spread among mankind, and many gods were unbearable and returned to heaven to live, only the goddess of justice and Poseidon stayed. The goddess did not despair of mankind. She thought that human beings would wake up one day and return to the good and pure nature of the past. But Poseidon lost confidence in mankind, and he pessimistically advised the goddess to return to heaven. The goddess naturally didn't listen, so they quarreled for the first time in their lives. They argued fiercely and escalated from human problems. The goddess of justice despised Poseidon as just a pool of salty water, while Poseidon shook off the scandal of Zeus and the fact that the goddess was an illegitimate child. ? The goddess of justice found her father Zeus to judge. Hera suggested that they compete to see who can make mankind feel peace more, and whoever loses should apologize to each other. Hera was partial to Poseidon and jealous of themis, the mother of the goddess of justice. She knows that water is the source of life, which will definitely make human beings feel peaceful. ? The venue is located in Tiantang Square, and Poseidon will start first. With a wave of Poseidon's hand on the wall, beautiful water flows out of the cracks, which makes people feel infinitely cool and comfortable after seeing it. At this time, the goddess of justice became a tree with reddish-brown trunk, green leaves and golden olives. Anyone who looks at it will feel love and peace. Poseidon smiled at the goddess, knowing that her wish had finally come true. ? Mankind realized the importance of peace, and the goddess and Poseidon reconciled. In order to commemorate this result, Zeus threw the scales he carried with him into the sky, and today's Libra came into being.