Virgo（LatinVirgo，Astronomical symbols♍），It covers an area of 1294.43 square degrees, accounting for 3.318% of the total area of the whole day. It ranks second in the area of 88 constellations in the whole day, only second tohydra, is also the largestZodiac。There are 58 stars brighter than 5.5 in Virgo,Brightest starbyCornucopia(Alpha Virgo),Apparent magnitudeIs 0.98.At midnight on April 11 every year, the center of Virgo passes through Shangzhongtian.Since modern timesAutumnal equinoxLocated in Virgo.[1]
In addition to the ecliptic line passing through Virgo, the celestial equator also passes north from the middle of Virgo, so Virgo is alsoCelestial equatorAnd the ecliptic.
From the 18th century BC to the 4th century BC, the autumnal equinox was in Libra, and then entered Virgo.This will enter neighboring Leo around 2440.
Right law enforcement(Virgo β) is a star with a spectral type of F9 V, with a mass of 1.25 times the solar mass, a radius of about 1.68 times the solar radius, a luminosity of about 3.57 times the solar luminosity, a distance of about 35.7 light-years from the Earth, and an apparent magnitude of about 3.6.[6]
East Upper Phase (Virgo Gamma)
Eastern upper facies(Virgo gamma) is a pair of almost identicalMain sequence starConstituentKonductra, spectral type is F0 V[7], the mass is 1.56 times of the sun, and the total apparent magnitude is about 2.75.
Ross 128
Ross 128Located near the right law enforcement (Virgo Beta), it is a weakRed dwarf。One of its planets, Ross 128 b, revolves around it and is believed to be in theLivable zoneMedium.
M87yesVirgo Galaxy ClusterLargest inGalaxy, the apparent magnitude is 8.6, 60 trillion light years away from the Earth（red shift0.0035）。It is a large radio source, partly because of its electronicJetGalacticSupermassive black holeThrow out the galaxy.Since this jet can be seen at several different wavelengths, astronomers hoping to observe black holes in a unique galaxy are very interested.[8]April 10, 2019, from“Event horizon”Astronomers of the Event Horizon Telescope project released images of their central black holes;This is the first direct image of a black hole with a mass at least 7.2 billion times the mass of the sun.[9]It isGalaxyThe most massive black hole nearby.
M84
M84It is also a famous object in the Virgo Galaxy Cluster, with an apparent magnitude of 9.1 and a distance of 60 trillion light-years (red shift 0.0035) from the Earth.Astronomers calculated the mass and speed of the matter revolving around its center, and speculated that its center might also be a black hole.[8]
M104
M104 is also calledSombrero galaxy, onAstronomerIt is very famous in China. It is named for its shape like a straw hat.It is aspiral galaxy , with an apparent magnitude of 8.0, 28 million light years away from the Earth, and some brighterOld starAnd bulge.[8]
3C273
a quasar3C273 is also a celestial body in Virgo. It is the first discovered quasar with an apparent magnitude of 12.9, and it is also the brightest quasar known optically.
In about the tenth century BC, part of Virgo was called The Furrow, representing the goddess Shala and hericker。CornucopiaThe Latin name of Virgo alpha is Spica, which means ear of grainMesopotamian PlainThe most important crop.[11]The name of Virgo comes down from ancient times. Its Latin name is Virgo, abbreviated as Vir. The symbol of Virgo is beauty.
The image of Virgo in astronomy is a beautiful goddess with wings.It can be seen that its existence has a long history and importance.Virgo is also an angel, bringing happiness and beauty to mankind.
In early Greek legend, Virgo andCeresCeReS (Ceres) and the goddess of fertilityDemeter(Demeter).Considered to beTwelve main gods of OlympusOne ofHera。Earth motherGaiaSacred gardenGolden appleIt's an ancient giftMYTHOSDays after,Lord of Gods, the queen of the gods, the highest goddess.Hera is regarded as the patron saint of marriage and women. Hera has the grace and honor of a queen. She is very beautiful sitting on the golden throne,fine clothesThe fragrance overflows everywhere, the arms are as white as lilies, and a gorgeous curly hair flies down from the crown.Hera is in charge of marriage and childbirth, defends the family, and is very loyal to her love and family.Usually the goddess of youthHerbIt is regarded as Hera's virgin face, and Hera represents her mother.It is also said that Virgo and the virgin goddess Iustia or the stars and the goddess of justice Astraya（Astraea）That is, Astraea, the goddess of purity, is related to the goddess of justice, the goddess of stars, and the goddess of purity, which bring light and hope. Its image is a girl with wings, holding a torch, and emitting bright light.The golden olive is the embodiment of the holy goddess Astria's love and compassion for human beings. The possession of the golden olive will have the most noble virtue.She has brought light and hope to mankind.She holds a balance of justice in her hand and is considered as Libra.Another Greek myth came into being laterClassical periodIt is believed that Virgo is Erigone, the daughter of Icarius in Athens.In this version of the myth,DionysusThe father and daughter were put on the stars to play the constellation of Shepherd and Virgo.Another character believed to be related to Virgo is the beautiful Goddess of SpringPersephone（Persephone）She is the goddess of grain management in the world, the mother of the earth in Greece, and the brilliant goddess of springPersephoneShe is a beautiful woman with blonde hair. Persephone is also a fertility goddess. She isZeusAnd Demeter's only daughter,HadesShe had long fallen in love with this beautiful goddess, captured her back to the underworld, and cheated her to eat six pomegranate seeds, so she could not return to the earth for half of the year, and could only live in the underworld.She has three sons with Hades.[12]At the same time, she also brought spring back to the world, everything revived, and the earth returned to light.
