What does the Big Dipper stand for?

1.hydra: the nine-headed water snake in Greek mythology. If you cut off one, another will grow. Finally killed by Hercules. Epsilon is a four-star system. There are three messier objects. Messier objects is a celestial body that looks like a comet. At present, * * * has found 1 10, including galaxies, nebulae, star clusters, star clusters and supernova explosion remains. )

2. Virgin: astoria, the goddess of justice in Greek mythology. It has the brightest and closest supercluster-Virgo Cluster. Contains hundreds of galaxies that can be discovered with an 8-inch telescope. There are 1 1 in messier objects, all of which are galaxies. Virgo α is a blue-and-white star with+1, and it is one of the brightest 20 stars in the sky. It is called Kajupiter in China. M 104 is also called the straw hat galaxy. One of the zodiac signs.

3. Ursae Majoris: In Greek mythology, Caristo, a beautiful fairy who was envied by Hera. Zeus turned her into a bear to protect her. This constellation has the most famous astrology in the whole day-the Big Dipper. There are seven messier objects. ζ Ursa major, the sixth star of the Big Dipper, is also a binary star. It was discovered by 1650. It is the earliest binary star discovered in the era of telescope, and it is called Kaiyang in China.

Ceti: The sea monster sent by Poseidon to punish the Ethiopian Queen was killed by the hero Poerxiusi. Contains hundreds of galaxies. There is a more complicated object.

5. Hercules: Hercules, a Greek mythical hero, followed Jason and Argo in their expedition to capture golden fleece and completed the "Twelve Difficult Tasks of Hercules". He is the grandson of Poerxiusi and the illegitimate son of Zeus. There are two in messier objects, among which M 13 is the largest, brightest and most striking globular cluster north of the equator, and only Omega Centauri, 47 Rhododendron and M22 located in the southern sky surpass it.

6.Eridani: All ancient civilizations regarded it as a river in the center of the living area. There is a first-class star called Eridani, which is a big blue-and-white star with a magnitude of +0.5, and it is called the No.1 River Commission in China. There are many binary stars.

7. Pegasi: It transformed from Medusa's neck cavity into blood and landed on Mount Herikon, creating a spiritual spring and becoming the source of inspiration for poetry. The trapezium of Pegasus is the brightest star in the northern sky in autumn, and there is a messier objects. Stephen quintuple galaxy is in its range, including five famous galaxies and a darker member-NGC 7320c.

8. Dragon God: In Greek mythology, it is a dragon hidden in a golden apple orchard and killed by Hercules, the hero of Hercules.

9. Centauri: It has two first-class stars, Alpha Centauri and Beta Centauri, among which Alpha Centauri is a triad star and Beta Centauri is a blue-and-white giant star.

10. Aquarius: Ganymetis, the most beautiful prince in the world, was chosen by Zeus to pour wine for the gods of heaven. One of the zodiac signs.

1 1. Ophiuchus: In Greek mythology, Asclepius is a famous Ophiuchus, holding two snakes, one of which is fatal and the other can cure diseases. He can bring the dead back to life, so he angered Hadders, the keeper of the underworld, and was granted death by Zeus. With an eight-inch telescope, we can see that it has at least 20 globular clusters, including 7 messier objects, including the darkest globular cluster in messier -M 107. Among them, Barnard himself is the fastest star. The zodiac has been excluded from the ecliptic since ancient times because it occupies a small area of the ecliptic.

12. Leonis: There are many galaxies in the vast sky it occupies. Among the meteor swarms that appear every year, the Leo meteor swarm is the most striking one. Leo α is a big blue and white star with a magnitude of+1.35, which is called Xuanyuan XIV in China. One of the zodiac signs.

13. butis: a hunter who keeps chasing the constellation Ursa major with the constellation Canis. One of the brightest stars in the sky to the north of the equator, Capricorn α, is called arcturus in China, with a magnitude of -0. 1 etc.

14. Pisces: In Greek mythology, Pisces represents the incarnation of eros and Aphrodite in the water. In order to avoid monsters, they turned into fish and dived into the Euphrates River. There is also a messier objects M74, which is also one of the darkest messier objects. One of the zodiac signs.

15. sagitar ii: this is a very spectacular constellation, and the heart of the milky way is in it. The main celestial bodies in the depths of the universe in this constellation are all celestial bodies in the Milky Way, including emission nebulae and dark nebulae, open clusters and globular clusters, and planetary nebulae. It is also the largest number of messier objects in all constellations, with fifteen * *. M8 is a bright emission nebula, also known as reef cream nebula, which also contains an open cluster, namely NGC 6530. M 17 is one of the brightest emission nebulae in the sky, also known as Swan Nebula or Omega Nebula. M20, also known as trifid nebula, is a mixed emission and reflection nebula with a dazzling triad nebula in the center. M22 is one of the best globular clusters in the sky. M24 is also called Sagittarius Nebula. One of the zodiac signs.

16. Cygnus: One of the earliest 48 constellations determined by Ptolemy. In Greek mythology, Zeus and Leda, the queen of Sparta, became swans together. The ancient Arabs thought it was a flying eagle. Cygnus alpha is one of the brightest stars in the Milky Way. It emits 60,000 times as much light as the sun, and its magnitude is+1.25. It is called Tianjin IV in China. There are two messier objects.

17.Tauri: In Greek mythology, it is a snow-white bull turned by Zeus and madly loves Princess Phoenicia. Alpha Taurus is a red giant, known as Bi Su Wu in China, and is one of the four stars of Persian royal family. Bi cluster is the closest open cluster to the solar system. It has two messier objects, among which M 1, also known as the Crab Nebula, is the remnant of a supernova explosion, and it is the only such celestial body in messier objects. It broke out on July 4th, 2054/kloc-0. People in China observed this phenomenon and left a record of "guest star". M45, also known as Pleiades or Seven Sisters cluster, is the most famous open cluster in the sky. One of the zodiac signs.

18. Padis, carmelo: Camelopardis first appeared on the celestial globe created by Dutch theologian P. Plantius in 16 13. Located in the north of the celestial sphere, Deer Leopard is a big "tall and thin" constellation. The brightest star in Ophiuchus is the beta star in Ophiuchus, and the Chinese name is "Eight valleys increase fourteen". Its apparent magnitude is 4.03 and its distance is 1700 light years. It is a G0 Supergiant star, and its luminosity is 5000 times that of the sun. According to observation, it is actually a binary star, with the apparent magnitude of its main star of 4.0 and its companion star of 8.6. There is an easily distinguishable open cluster in Ophiuchus, numbered NGC 1502. NGC2403 is a bright Sc spiral galaxy with an apparent magnitude of 8.4. The number IC342 is an SBc-type rod spiral galaxy with an apparent magnitude of 9.2. The alpha star in Ophiuchus is called Shao Wei or Wei Zi's Right Wall Six, with an apparent magnitude of 4.29, a luminosity of 25,000 times that of the sun, and a distance of 4 100 light years.

19. Andlau Moda: In Greek mythology, Andlau Moda was the daughter of Ethiopian King Keps and Queen Cassiopeia. The whole constellation consists of a bright cluster of stars, which can be observed through binoculars, a main galaxy, a striking binary star and a planetary nebula.

20. Pupis: a part of the ancient South Pier. In Greek mythology, the South Pier was an Argo expedition ship that took golden fleece away. The sky it belongs to is full of many bright open clusters, which is very spectacular. ζ is one of the largest blue Supergiant star in the Milky Way, with a magnitude of +2.25. Its English common name comes from Greek, which means "sailing".

2 1. Auriga is the incarnation of Erechtheus, the inventor of the carriage. It is one of the brightest constellations in the northern sky in winter. The first-class bright yellow star Alpha Auriga, known as Capella in China, has three messier objects.

22. Aquila: Zeus became an eagle and took Ganymede to heaven. There is a first-class bright star, Alpha Eagle, which is called Altair in China.

23. The serpent: It is divided into two parts: the head of the serpent and the tail of the serpent. It consists of two messier objects, of which M 16 is also called Eagle Nebula.

Perseus: Poerxiusi, a hero in Greek mythology, killed Medusa, drove away sea monsters and whales, and rescued Ethiopian princess Andlau Moda. Many bright clusters, gas nebulae and planetary nebulae can be seen here. Two messier objects. Perseus β is recognized as the earliest eclipse star and a binary star. The light change period is 2867 days, and the change range is +2. 1 to +3.3. It is called Daling No.5 in China. NGC 869 and NGC 884 are famous double star cluster and the two best open clusters in the sky. M76 is one of only four planetary nebulae in messier objects, and it has also become a small dumbbell nebula. Perseus is one of the most famous meteor swarms that appear every year. The peak appears in August 1 1 and 12, and 50 to 60 meteors can be seen every hour. It used to have a very poetic name: Tears of St. Lawrence, because activities to commemorate St. Lawrence are held at this time of year.

25. Cassiopeia: Cassiopeia is the queen of Ethiopian King Capes. There are two messier objects.

26. Orion is the brightest and most recognizable constellation in the sky. In Greek mythology, he was the son of Poseidon, the best hunter in the world, but he was killed by a scorpion sent by God because of his conceit. He has three messier objects, including the most prominent messier objects M42 and a large diffuse reflection nebula M78. IC434 is a famous horsehead nebula, but it is difficult to observe. Orion α is a pulsating red giant and a variable star, with magnitudes ranging from +0.4 to+1.3. It is one of the largest stars known, and its diameter is more than 600 times that of our sun. Known as Betelgeuse in China. Orion β is a super bright blue-and-white giant with brightness equivalent to 55,000 suns. Known as Betelgeuse in China. Orion σ is a beautiful five-star system.

27. Cepheus: One of the oldest constellations is Cepheus in Ethiopia.

28.Lyncis: There are a series of stars with weak starlight, which were identified by Hyvirius in 1690. Lyncis 12 and 19 are a triad system. NGC 24 19 is a globular cluster, which is different from most galactic centers. It is independent of our galaxy and is called an interstellar rover.

29. Libra: Libra δ is an eclipse binary star (that is, two stars periodically pass in front of each other and cover each other's food). One of the zodiac signs.

30. They are twins Polokus and casto. They are the sons of Leda, queen of Sparta. Caster is a mortal, and Polocus is a god. They showed true brotherly love. Gemini Alpha is a famous six-star system, and its sub-star Alpha has a magnitude of+1.94, which is called Beihe II in China. Gemini beta magnitude+1. 14, etc. , an orange giant, is called Beihe No.3 in China. Gemini zeta star is a Cepheid variable star (pulsating variable star whose brightness changes with time). There is a more complicated object. One of the zodiac signs.

3 1. Cancer (Cancri): It is said that cancer is the entrance for the soul to reach the ground and enter the human body. In Greek mythology, he was the messenger of Hera who was killed by the hero Heracles. One of the zodiac signs.

32. Willem: A part of ancient southern ships. This sky area is an ideal area for searching for open clusters. Vela γ is a bright binary star, and one of its sub-stars, such as+1.88, is called Wolf-Rayet, which is very hot, emits strong light and quickly loses matter. NGC 2736 is a bright pencil nebula, which is the eastern part of the remnant of a supernova that exploded 12000 years ago.

33. Scorpio: Scorpio α is one of the largest red Supergiant star known, with a diameter of over 966 million kilometers. If placed in the solar system, the orbits of the four planets closest to the sun and a large number of members of the asteroid belt will be inside. It is also a binary star, companion star +5.37, etc. Known as the Great Mars in China, it is also one of the four royal stars in Persia. Scorpio is a four-star system. Scorpio is a ternary system. Scorpio has four chaotic celestial bodies. One of the zodiac signs.

34. Carina: A constellation transformed from the ancient southern constellation by astronomer Benjamin Goode. It has the second brightest star in the whole day-Carina α, with a magnitude of -0.72, which is called Laonian in China, and the brightest nebula complex in the whole day-NGC 3372, namely Carina η nebula.

35.Monocerotis: It was drawn on the star map by German astronomer Bach in 1624. He is famous for its numerous star clusters and nebulae. At the same time, it also has various multi-stars and variable stars, which are composed of a messier objects. Both β and ε of unicorn are triple galaxies, and NGC 2237 and NGC 2244 are famous nebula cluster complexes, also known as the Rose Nebula. NGC 2264 is a large and sparse cluster, which is called "Christmas tree cluster" because of its shape. NGC 226 1 is Hubble's variable nebula, because its brightness changes due to moving dark and cold dust clouds.

36. Aquarius: 1752 was named by Llakaj.

37. Phoenix: 1603 was named by Bayer. Phoenix Beta is a ternary system.

38.Canum Venaticorum: A hound following Capricorn. There are five messier objects.

39. Arae: The golden goat with golden hair was sent by the God of Hermes to rescue the princes Frikosos and Heller. One of the zodiac signs.

40. Capricorn: Being a sheep on the top and a fish on the bottom is the door for the human soul to ascend to heaven. There is a more complicated object. One of the zodiac signs.

4 1.Fornacis: it was named by Llakaj at 1752. There is a galaxy cluster containing many celestial bodies-Sagittarius galaxy cluster, which can distinguish at least 18 galaxies.

42. This is the hair of Queen Bioniz of Egypt. There are eight messier objects.

43. Canis major: A dog that faithfully accompanies Orion and Canis minor. In Greek mythology, his name is Lailapus. Sirius, the brightest star in the whole day. There are more chaotic objects.

44.payon is: 1603 was named by Bayer. In Greek mythology, Hera decorated the peacock's tail feathers with the eyes of Argos, a monster with 100 eyes. He has a beautiful globular cluster and several galaxies. Capricorn κ is a Cepheid variable star with a photoperiod of 9065 days. NGC 6752 is one of the best spherical nebulae in the sky.

45. Gruys: It was named by Bayer in 1603. Alpha crane is a huge blue star with magnitude+1.7, etc.

46. Lupus: It is one of the 48 constellations first determined by Ptolemy.

47. The sextant was named after: 1680 Hevelius.

48. small magellanic cloud is within its scope. Rhododendron β 1 and β2 are six-star systems. NGC 10 is the second largest and brightest globular cluster in the whole day after ω Centauri.

49. Indy: Among the beautiful cuckoos, cranes and peacocks in the southern sky, there is a lonely Indy. /kloc-At the end of 0/6, Europeans saw Indians from the New World for the first time, so German astronomer Bayer named this constellation "India".

50.Octantis: determined by Llakaj at 1752.

5 1. Lepori constellation: one of the 48 constellations originally determined by Ptolemy, consisting of several celestial bodies in the deep sky.

52. Lila: In Greek mythology, it was a harp, which was made of tortoise shells by Hermes and presented to Apollo, who later gave it to Oedipus. He has a first-class star-Lyra alpha, magnitude +0.03 and so on. Known as Vega in China, he is the fifth brightest star in the sky. Lyra ε 1 and ε2 are famous quadrangles composed of two pairs of binary stars. Composed of two messier objects, M57 is the earliest discovered nebula.

Crater: One of the 48 constellations first named by Ptolemy. Its image is a huge cup on the back of Ophiuchus.

54. Columbus: named after the astronomer Plantius.

55.vulcumerae: founded by Havelius in 1660. There is a messier objects M27. Corindel 399 is also called brocchi Cluster or Hanger Cluster. M27 is also called Dumbbell Nebula.

56. Ursa minor: One of the most famous constellations in the sky. The naked eye can only see three stars, namely α, β and γ of Ursa minor. Alpha Ursa minor, the north star, is the closest star to the North Pole and will be closest to the North Pole in 2 102.

57. Telescope base: named by Llakaj in 1752. H 5033 is a four-star system.

58.horologii: 1752 was named by Llakaj.

59.Pictoris: It was named by Llakaj at 1752. Captan is a red dwarf with a magnitude of +8.8, second only to Barnard in Ophiuchus.

60. Pisces, Australia: It is one of the first 48 constellations confirmed by Ptolemy. The alpha magnitude of Pisces+1. 16 and so on. The English common name comes from the Arabic word "fish mouth", which is called the Northern Clan in China and one of the four royal stars of Persians. Keira 9352 is a red dwarf star with a magnitude of +7.35, ranking fourth in its own speed.

6 1.Hydri

62.Antlia: named by the French astronomer Llakaj in 1752, it is shaped like an air pump.

63. This is the altar of centaur. It is one of the earliest 48 constellations divided by Ptolemy.

64. Leonis Minoris: It was named by Havelius on 1660.

65.Pyxidis: a part of the seat of the ancient south ship. Compass τ is a metempsychosis nova, which will explode irregularly.

66.Microscopii: determined by Llakaj in 1752.

67. Apodemus: a bird of paradise, named by john bell in 1603, with its main star above +4.

68. There are many very bright open clusters in this sky area.

Delphini: In Greek mythology, dolphins rescued the poet from a group of pirates who plotted to kill him. But somehow, it also has a name, called job's coffin.

Covey: A crow sent by Apollo to spy on her lover Koronis. Contains many galaxies, although most of them are not bright.

7 1. puppy: a puppy who faithfully accompanies Orion and Canis canis. Only one dog, α and β, can be seen by the naked eye in the city. Among them, α is called Nanhesan in China, ranking eighth among all the stars with a magnitude of +0.4, and its companion star is a white dwarf with a magnitude of only+10.7.

Swordfish: 1604 was named by Bayer. Large magellanic cloud is within its scope.

73.Coronae Borealis: In Greek mythology, Bacchus gave Ariadne the crown abandoned by theseus.

74.Normae: Created by Llakaj in 1752.

75. Mensa: It was determined by Llakaj of 1752. Part of large magellanic cloud is among them.

76. Valentis: 1603 was created by Bayer.

77. Musk wine

78.Trianguli: Although it is small, it is an obvious star. There is a more complicated object.

79.Chamaeleontis: named by John Baer in 1604.

80. Antarctic crown

8 1. Cali constellation: One of the most inconspicuous constellations, described by French astronomer Llakaj in 1752.

82. The network constellation is a constellation created by Lakaji.

83. Trianguli, Australia

84.scuti: 1690, Havelius joined this constellation. It has two messier objects, of which M 1 1 is also known as the "wild duck cluster", which is one of the most abundant open clusters in the sky.

85.Circini: It was named by the astronomer Llakaj in 1752.

86. Arrows: In Greek mythology, they were used by Apollo to defeat klopp. Sagittarius WZ is a new star that often appears. There is a more complicated object.

87. The ancient Greeks believed that the horse was given to Polocus by Hera.

88. Cross constellation: The smallest constellation, with a dark nebula called coal pocket, extends 60 light-years in the Milky Way.