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It has an apparent magnitude of 10.96 and cannot be seen without optical aid. The star’s name, Aldhibah, means “the hyenas” in Arabic. Markarian 205 is a quasar presumably located in the vicinity of the galaxy. Struve 2398 is only 11.52 light years distant. In this case, it means that spacetime around Abell 2218 is curved because the cluster is such a massive object and that rays of light coming from a background galaxy get bent as they pass through the spacetime. It was the first planetary nebula to be observed with a spectroscope, by William Huggins in August 1864. The system may have a fourth component, but this has not been confirmed. Eta Draconis has a companion located 5.1 arc seconds away, a K2 V-class main sequence star with a visual magnitude of 8.8. As a result the image of the background galaxy (or any other background object) can be magnified and distorted. Many of those myths describe how the world was formed, with a dragon playing the star role. The stars belong to the spectral classes F9V and K3V. In Egyptian mythology, Draco was drawn as an alligator. In the myth, Draco represents Ladon, the dragon that guarded the golden apples in the gardens of the Hesperides. The star names approved by the International Astronomical Union (IAU) are Aldhibah, Alrakis, Alruba, Alsafi, Altais, Athebyne, Dziban, Edasich, Eltanin, Fafnir, Funi, Giausar, Grumium, Rastaban, Taiyi, Thuban, and Tianyi. It can be seen between the latitudes +90 and -15 degrees. Draco, or the Dragon, is a constellation in the northern hemisphere. In the myth, Draco represents Ladon, the dragon that guarded the golden apples in the gardens of the Hesperides. Zeta Draconis is 2.5 times larger than the Sun and 148 times more luminous. Draco contains 17 formally named stars. The cluster was used as a gravitational lens to find the most distant known object in the universe, a 13 billion year-old galaxy that is seen from Earth as it appeared only 750 million years after the Big Bang. Gaia gave Hera a golden apple tree when she married Zeus. It is sometimes known as the Zenith Star because it lies close to the zenith point directly overhead in London. Draco is a constellation in the far northern sky. The name Draco means “the dragon” in Latin. It is 950 times more luminous than the Sun. She planted the tree in the garden on Mount Atlas and asked for both LAdon and Atlas daughters to guard it. From the teeth sprung warriors, who The galaxy was discovered by William Herschel on November 28, 1801. (And, quite frankly, what mythology links Polaris or Ursa Minor to the Tree of Life? The stars form a spectroscopic binary and orbit each other with a period of 280.55 days, with an average separation of just under an astronomical unit. The two complete an orbit every 51 days. The system is composed of two F7V class stars and has a combined apparent magnitude of 4.92. The galaxy contains a number of clusters of massive, bright blue stars. An argument could be combined with some other animal's abilities; or what a composite of one animal's body parts might achieve. It is 55 times more luminous. The story behind the name: Two circumstances lie behind the multitude of myths associated with Draco. Eltanin is pretty easy to find in the sky. Drakon). It is interesting, however, to note that Ovid himself does not equate the dragon of Mars with Draco. Thuban is a double star. Their variability is a result of activity in their photosphere called starspots and the rapid rotation that changes the viewing angle of the activity when the stars are observed from Earth. The third star in the system is separated from the main pair by 17 seconds of arc. Gianfar (Giausar) – λ Draconis (Lambda Draconis). Strong gravitational forces from the interaction created the long tail of debris, consisting of stars and gas that stretch our more than 280,000 light-years. Iota Draconis is slightly more massive than the Sun and has almost 12 times the solar radius. NGC 4319 and Markarian 205, photo: NASA, ESA and the Hubble Heritage Team (STScI, AURA). Located in the northern celestial hemisphere, the constellation represents Ladon, the dragon that guarded the gardens of the Hesperides in Greek mythology. It is smaller and less massive than the Sun and has only 43 percent of the Sun’s luminosity. It orbits the star with a period of 0.8 days. The smaller galaxy is believed to be located about 300 thousand light years behind the Tadpole Galaxy and can be seen in the picture. The three stars share a common proper motion. Apart from this, very little is known about Draco himself. However, it also has loosely bound spiral arms that place it in the category of barred spiral galaxies. originally for the Princeton University course CLA 212. This Revelation 12 Dragon from Signs Of Heaven, has not been previously recognized. These include the Cat’s Eye Nebula (NGC 6543), the Spindle Galaxy (Messier 102, NGC 5866), and the Tadpole Galaxy. It would have seemed to ancient sky watchers that the Earth revolved around Draco. Hubble’s sharp vision reveals a crisp dust lane dividing the galaxy into two halves. It is also sometimes called Nodus III, or the Third Knot, referring to a loop in Draco’s tail. flickered a three-forked tongue" (Metamorphoses III 31-34). Draco stands at the 8 th position in the list of the largest constellation. a bull (Taurus). It was formed about a thousand years ago, when a bright hot star lost its outer envelope in the red giant phase. burden; second, there was the awful guardian dragon. Symbolism: Draco is also known as ‘The Dragon’ History & Mythology. Image: Hubble Space Telescope. It was discovered by astronomers Brent Tully and Rick Fisher in 1987. There is a little time and the mythology of draco. As they were getting Due to a stroke of bad luck, a bright star happens to lie between the galaxy and the Earth, meaning our view is partly obscured by the glare of the star. By reading this article, you will learn the mythology of draco and what might have been drawn to the mythology of draco of the mythology of draco per the mythology of draco this cartoon Hercules had suffered enough. Draco definition is - a northern circumpolar constellation within which is the north pole of the ecliptic. In some versions of the myth, Ladon had a hundred heads and was the child of the monster Typhon and Echidna, who was half woman and half serpent. Most frequently he is considered to be Ladon, the dragon that guarded the tree that was the goal of Hercules’ eleventh labor. Draco spans over 250 degrees of the Zodiac from the Signs of Aries to Sagittarius, and contains 18 named fixed stars. The galaxy’s structure is similar to that of the Milky Way, but it is only about a third of the size of our galaxy. As one of the most popular mythological creatures in modern day, the dragon is no Cadmus followed Apollo's advice and found a suitable site for his new city. He was killed in battle by the goddess Minerva and thrown into the sky, where it froze around the North Pole. Kappa Draconis is a blue giant belonging to the spectral class B6 IIIe, with a visual magnitude of 3.82. For a star with the Alpha designation, Thuban is pretty inconspicuous: it has an apparent magnitude of 3.6452. The neighboring constellations are Boötes, Camelopardalis, Cepheus, Cygnus, Hercules, Lyra, Ursa Major, and Ursa Minor. Driven to avoid his native country and his father's wrath, he made a The galaxy was discovered by the American astronomer Albert George Wilson in 1954. If the bridge exists, and photographs show that it does, the two objects could not possibly be that far from each other. The Cat’s Eye Nebula is a planetary nebula approximately 3300 light years distant from Earth. It has an apparent magnitude of 10.2 and is approximately 17 million light years distant. It lies just north-northwest of Vega, the brightest star in the constellation Lyra. One version--the least likely--of the Draco story is that the dragon fought Minerva during the wars between the giants and the gods. pilgrimage to Apollo's oracle, and begged him to say what land he should dwell in" (Metamorphoses III 9-11). The stars’ apparent magnitudes are 8.94 and 9.70. It was first charted by the Greek astronomer Ptolemy in the 2nd century. Draco contains several famous deep sky objects. This was the first planet discovered to orbit a giant star. Its name is Latin for dragon. Atlas It has an apparent magnitude of 10.7 and is about 50 million light years distant. There is one meteor shower associated with the constellation; the Draconids. The central star belongs to the spectral class O7 and is about 10,000 times more luminous than the Sun. The name Draco has been linked to several dragons in Greek mythology. The Spindle Galaxy is a spiral or lenticular galaxy discovered in 1781 by either Pierre Méchain or Charles Messier and then independently discovered by William Herschel in 1788. The disrupted shape of the galaxy is believed to be a result of gravitational interaction with a smaller, more compact galaxy, which drew out the stars, dust and gas out of the main body of Arp 188. told he could not return unless he brought Europa back with him. dragon in the garden of the Hesperides. It has a visual magnitude of 10.9 and is 260,000 light years distant. In about 1.5 million years, the star with pass within 28 light years of Earth, and be the brightest star in the sky, almost as bright as Sirius is today. Image: NASA, ESA, and the Hubble Heritage Team (STScI, AURA). Oddly, the photo does in fact show the bridge, and this has been a cause of debate and controversy for years now because it contradicts the hypothesis of an expanding universe, as it invalidates the belief that redshift is always a measure of velocity and distance. The star’s traditional name, Altais, comes from the Arabic Al Tāis, which means “the goat.”. This was, according to Bulfinch. Draco spans over 250 degrees of the Zodiac from the Signs of Aries to Sagittarius, and contains 18 named fixed stars. battled each other until only five were left. The star’s traditional name, Rastaban, comes from the Arabic ra’s ath-thu’ban, which means “the head of the serpent.”. Batentaban Australis – φ Draconis (Phi Draconis). NGC 5949 is a dwarf galaxy located at an approximate distance of 44 million light years from Earth. The stars’ orbital period is 295 years and they are separated by 56 astronomical units on average. Draco in the Greek means “trodden on” and is rendered drakwn (drakôn) as found in Revelation 12:3. The third star in the system is a red dwarf of the spectral type M1V, separated from the main pair by 12.2 arc seconds. The star is believed to have a debris disk surrounding it. city of Thebes. The physical distance between the stars is at least 140 astronomical units, and the two have an orbital period of at least a millennium. Draco Constellation Mythology The ancient Greeks envisioned Draco as a serpent-dragon, which they called Ladon. Draco is Latin for 'dragon' from Greek dracon. As a result of a strong stellar wind, it is losing about 20 trillion tons of mass per second and is currently believed to be only slightly more massive than the Sun. fresh water to offer as a libation to Jupiter, and they wandered into a cave with springs. The Dragon It is unclear precisely which mythological dragon Draco represents. After his companions Draco has been known by many different cultures and represents many different things for these cultures throughout history. NGC 5949 – The subject of this NASA/ESA Hubble Space Telescope image is a dwarf galaxy named NGC 5949. Draco and Ursa Minor, image: Sidney Hall It is approximately 490 light years distant. It was discovered by William Herschel in 1788. The Cyclopes are said by the mythology of draco of good versus evil. Draco is one of the largest constellations in the sky. In 2009, a super-Jupiter (a gas giant) was discovered in its orbit. It has a visual magnitude of 9.8. It is 330 light years distant. Origin: In most western mythology, Draco has been associated with the dragon although the constellation is drawn as a snake rather than a dragon on ancient maps. The Myth Behind the Constellation Draco Draco, “The Dragon” has been said to represent a number of scaly beasts. The name is derived from the Arabic word al-Raqis, which means “the dancer.”. Kepler-10 is a G-class star about 11.9 billion years old, which is 2.6 times the age of the Sun. Abell 2218 is a galaxy cluster in Draco, about 2.345 million light years distant. The two stars are believed to be pre-main sequence, still in the process of collapsing. It has a visual magnitude of 3.290. It is 471 times more luminous than the Sun and has 72 percent more mass. It has an apparent magnitude of 12.70. As part of his 12 labours, Heracles was asked to steal some golden apples from the tree. It has an apparent magnitude of 14.4 and is roughly 12.9 billion light years distant. A white giant, it belongs to the spectral class A0III and is approximately 303 light years distant. NGC 6340 is a spiral galaxy in Draco. This image shows the full overview of the galaxy cluster Abell 2218 and its gravitational lenses. It contains thousands of galaxies and a mass equal to 10,000 galaxies. Markarian 205 is believed to be almost 1.2 billion light years from Earth, while NGC 4319 is significantly closer. It has an apparent magnitude of 2.3617 and is 154.3 light years distant from the solar system. Struve 2398 – HD 173739/HD 173740 (Gliese 725). The star’s traditional name, Eltanin (or Etamin), comes from the Arabic At-Tinnin‎, which means “the great serpent.”. It has a visual magnitude of 4.1190. Lambda Draconis is a M0 class star 334 light years away, with an apparent magnitude of 4.1. According to folklore, Draco’s death was caused by his popularity. For example, the distribution of dark matter within dwarfs is quite puzzling (the “cuspy halo” problem), and our simulations of the Universe predict that there should be many more dwarf galaxies than we see around us (the “missing satellites” problem). Constellation Draco the Dragon, is a northern constellation coiling around the north pole. Saddened by the dragon’s death, Hera placed its image in the sky among the constellations. the Hesperides and killing the hundred-headed beast, and then taking the burden on his own shoulders. Its estimated age is 2.1 billion years. Draco Mythology The constellation of Draco is associated with dragons from ancient mythology. It is a red dwarf belonging to the spectral class M5. Constellation Map, by IAU and Sky&Telescope magazine. He killed it with his spear, and The main star has a companion, a class K5 orange dwarf with a visual magnitude of 7.3, located 3.2 arc seconds away. It takes the star about 420 days to make a complete revolution; its rotational velocity is 1.2 km/s. She also placed the dragon Ladon around the tree so that the Hesperides would not pick any apples from it. Hesperides. The star serves as a prototype of a class of variable stars called BY Draconis variables. NGC 4319 is a barred spiral galaxy in Draco. Phi Draconis has the stellar classification A0sp and is about 300 light years distant. NGC 6503 lies in the region of space known as the Local Void, which is a large, empty region of space next to the Local Group of galaxies. then (upon the order of Minerva) sowed the dragon's teeth in the ground. Because the structure of the nebula is so complex, the central star is suspected to be a binary star. GD 356 is a white dwarf of the spectral type DC7, approximately 65 light years distant. It is a giant star belonging to the spectral class G8 III with an apparent magnitude of 2.73. Omicron Draconis is notable for being the North Pole star of Mercury. There Hercules responded by throwing his spear into the garden of Image: NASA, H. Ford (JHU), G. Illingworth (USCS, LO), M. Clampin (STScI), G. Hartig (STScI), the ACS Science Team, and ESA. Athena grabbed the dragon's tail and threw it into the sky, where it became twisted around the the northern pole of the sky. The film also reveals that Draco is actually a dragon heaven, where dragons go when they die if they have upheld the oath of an ancient dragon to guard mankind, with dragons otherwise fading into nothing upon their deaths. Phi Draconis is a multiple star composed of hydrogen fusing dwarfs, with the two brighter components in the system orbiting each other with a period of 307.8 years. BY Draconis is another multiple star in Draco constellation. It is 59 times more luminous than the Sun. Gravitational lensing refers to the phenomenon of the light of the source being bent (or lensed) as it travels toward the person observing it. Seen shining through the Tadpole’s disk, the tiny intruder is likely a hit-and-run galaxy that is now leaving the scene of the accident. This image was taken by Hubble in 1999 during the Early Release Observations made immediately after the Hubble Servicing Mission 3A. It is a spectroscopic binary star. This nebula’s dying central star may have produced the simple, outer pattern of dusty concentric shells by shrugging off outer layers in a series of regular convulsions. It has 40 times the radius of the Sun and about six solar masses. It is one of the brightest galaxies in the NGC 5866 group, which also contains NGC 5879 and NGC 5907, two spiral galaxies discovered by William Herschel. Tyl is a yellow giant of the spectral type G8III, approximately 148 light years distant. Draco comes from the word meaning to see or watch, and the dragon is often guarding something such as the golden apples in the garden of the Hesperides. The combined magnitude of the system is 3.570. Astronomers have run into several cosmological quandaries when it comes to dwarf galaxies like NGC 5949. It has a visual magnitude of 15.06 and cannot be seen without a telescope. It is about 85 light years distant. Draco is usually depicted coiled around the North Pole, with one foot of Heracles on its head. The Cat’s Eye (NGC 6543) represents a brief, yet glorious, phase in the life of a sun-like star. One version--the least likely--of the Draco story is that the dragon fought Minerva during the wars between the

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