With a mass of 10,000 solar masses, it is about 10 times more massive than typical open clusters in the Milky Way. Most stories come to the conclusion that the myth of the constellation Sagittarius is the tale of the centaur Chiron. Its final helium flash is expected to occur in the next few decades. Messier 8 is one of only two nebulae that are star forming regions and can be seen by unaided eye. This image from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESOs La Silla Observatory in Chile, shows the bright star cluster NGC 6520 and its neighbour, the strangely shaped dark cloud Barnard 86. The cluster contains 18 RR Lyrae type variable stars. Like other zodiac constellations, Sagittarius was first catalogued by the Greek astronomer Ptolemy in the 2nd century. It was discovered by William Herschel on June 24, 1784. Although the centaur was most common in Greek mythology . The cluster has a visual magnitude of 8.06 and lies at a distance of 19,600 light years from Earth. This was the largest event of its kind seen in the Milky Way since 1604, when the type Ia supernova SN 1604 (Keplers Nova) was observed by the German astronomer Johannes Kepler in the direction of Ophiuchus constellation. NGC 6553 is loosely concentrated and has an apparent diameter of 8.2 arc minutes. At the time, it was believed to be a magnitude 11.4 slow nova as it had not been visible in older images of the region and only appeared to brighten in the previous couple of years. 59 Sagittarii (sometimes also known as b Sagittarii) is a K-type bright giant at the southeast corner, about 1,200 light years distant. Sagittarius A* is the leading candidate for the location of the supermassive black hole believed to be at the centre of the Milky Way Galaxy. The cluster was discovered by William Herschel on 24 June, 1784. In mythology, Centaurs were hard drinkers, unreliable, misleading, crude, wild, and adulterous. This image was taken using the FORS instrument, mounted on ESOs Very Large Telescope. The cloud is about 600 light years wide and approximately 10,000 light years distant. Its inner elongated shape is believed to be the result of a fast wind of material travelling away from the hot 15th magnitude central star. Omega Nebula (Messier 17), image: Adam Block/Mount Lemmon SkyCenter/University of Arizona (CC BY-SA 4.0). NGC 6544 is a globular cluster located less than a degree southeast of the Lagoon Nebula. NGC 6723 is a globular star cluster in Sagittarius, near the border with Corona Australis. A gas giant planet was discovered orbiting the orange dwarf HD 164604 (K3.5Vk) in 2010. The Trifid Nebula has an apparent magnitude of 6.3 and is approximately 5,200 light years distant. Image: NASA, ESA, STScI, and G. Piotto (Universit degli Studi di Padova), and E. Noyola (Max Planck Institut fr extraterrestrische Physik). It is located approximately 17,300 light years from Earth. During this time the black hole flared up in X-ray intensity half a dozen or more times. The Bubble Nebula is an emission nebula located in Barnards Galaxy. This is the stars modern name, which is either Babylonian or Assyrian in origin. At the centre of the Lagoon Nebula, there is a structure known as the Hourglass Nebula (not the same object as the famous Hourglass Nebula, which is located in the constellation Musca). It has an apparent magnitude of 9 and lies 9,450 light years from Earth. The myth of Sagittarius being cold-hearted is a mere misconception that is based on surface level observations. He even invented the bow, according to Greek mythology. Image: NASA/CXC/MIT/F.K.Baganoff et al. Tau Sagittarii is well known to astronomers as the closest visible star to the origin of the Wow! It is a densely populated cluster, classified as class I. The Red Spider Nebula is a planetary nebula that occupies an area of 1.5 arc minutes in the northwestern part of Sagittarius. It is approximately 29,700 light years distant from Earth. Sagittarius is an astrological sign transitted by the Sun from approximately November 23rd to December 22nd. The two-lobed nebula surrounds the central hot white dwarf that produces a hot wind with a speed of 300 km/s. The last time this happened was on November 19, 1984, when Venus passed in front of the star, eclipsing it. In order to be put out of his misery, Chiron offered to be killed in place of Prometheus, who was being punished by the other gods for giving humans fire. The next occultation by a planet (Venus) will take place in our lifetime: on February 17, 2035. The star is classified as a semiregular variable of the SRc type. The stars temperature is also variable and changes from about 2,500 K to 3,500 K, which is unprecedented in a star of this type. In this image of ESO 456-67, it is possible to see the various layers of material expelled by the central star. It is a hydrogen fusing dwarf star that belongs to the spectral type B2.5 V. It has an apparent magnitude of 2.1. Sagittarius is one of the largest southern constellations. This galaxy is currently colliding with, and being absorbed by, the Milky Way, which is a monster in size when compared to this tiny one. It has an apparent magnitude of 4.27 and is approximately 137 light years distant. They have the head and torso of a man, but the bottom half of a hoofed beast. Image: ESA/Hubble and NASA. The Terebellum is a quadrilateral formed by four fourth magnitude stars in Sagittarius, all within two degrees of each other: Omega Sagittarii, 59 Sagittarii, 60 Sagittarii and 62 Sagittarii. In Greek mythology, Sagittarius is commonly thought to represent a centaur, a war-like creature with the torso of a man and the body of a horse. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable. Mu Sagittarii is a multiple star system in Sagittarius, with individual components designated Polis A through Polis E. Its traditional name, Polis, comes from the Coptic Egyptian word for foal.. NGC 6522 is a globular cluster with an apparent magnitude of 10.5, lying at a distance of 25,100 light years from Earth. The Sagittarius Cluster is located near the galactic bulge, the central group of stars in the Milky Way. The stars in the cluster are between 2.5 and 3.25 billion years old. Instead, Sagittarius is thought to represent Crotus, a satyr who invented the archer's bow. The Sagittarius Cluster is one of the brightest globular star clusters in the sky. Terzan 5 is a globular cluster about 18,800 light years away in the Milky Way bulge. It has an apparent magnitude of 10.10 and lies at a distance of 27,700 light years. In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact centre of Messier 70, a globular cluster. It lies at an approximate distance of 50,000 light years from Earth. Spanning an area of 150 light years across, Sagittarius B is one of the largest molecular clouds in our galaxy and the single largest one in the vicinity of the galaxys core. The galaxy is about 10,000 light years in diameter and it consists of four globular star clusters, the main one of which was discovered in 1994. The companion can be found 3.6 arc seconds from the primary star. What's strange about this centaur is that it has wings, two heads, of which one is that of a panther and the other is a human head. It's just a matter of which stars you think go with which other ones. The Omega Nebula is an emission nebula in Sagittarius. It is the most highly magnetized object ever discovered. Omega Sagittarii is a G-type subgiant marking the northeast corner of the Terebellum, about 78 light years distant from Earth. Another aspect of M69 lends itself to the bejewelled metaphor: As globular clusters go, M69 is one of the most metal-rich on record. Each appears in a different hue red, orange, yellow, and green-tinted bands of gas are visible, with clear patches of space at the heart of the nebula. The cluster spans 10 light years and has an apparent size of 5 arc minutes. The several star forming regions that make up W31 are located at different distances, but appear together in the sky because they lie in the same line of sight when observed from Earth. In astronomy, the term metal has a specialised meaning: it refers to any element heavier than the two most common elements in our Universe, hydrogen and helium. Sagittarius, the ninth astrological sign, symbolizes higher consciousness. The binary system has a combined apparent magnitude of 2.60. Crotus, much like Chiron, was a skilled musician and hunter. Since the rotational axis of the system points roughly in the direction of our planet, and fast-spinning Wolf-Rayet stars are believed to produce gamma-ray bursts along their rotational axes when they meet their end, there has been a lot of debate about whether Earth will be affected by the supernova. Peony Star, or WR 102ka, is one of the most luminous stars known in our galaxy. Chiron the centaur was brilliant and kind a teacher to figures like Jason and Achilles, and a friend to the hero Heracles (via Greek Mythology). NGC 6544, based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA). The nebula spans about 35 and is located only 0.36 arc minutes from the cluster NGC 6440. The signal was received by SETI researcher Dr. Jerry R. Ehman on August 15, 1977 at the Ohio State University. Other stars with confirmed exoplanets include HD 171238 (G8 V), HD 179949 (F8 V), HD 181720 (G1V), HD 187085 (G0V), WASP-67 (K0V), MOA-2011-BLG-293L (M1.5V), MOA-2009-BLG-319L (K8V), HD 181342 (K0III), HD 180902 (K0III/IV), OGLE-TR-56 (G), OGLE-2003-BLG-235L (K5), OGLE-2005-BLG-169L (M), MOA-2007-BLG-192L, and MOA-2007-BLG-400L (M3V). Eratosthenes argued that the constellation really represented a satyr and not a centaur. It is 15-20 light years in radius and contains about 150 stars. Some stars maintain relatively circular orbits, while others loop out into the clusters fringes. Sagittarians are complex individuals that have a unique perspective on life and relationships. This is unusually young for such a cluster. It is one of the stars that mark the handle of the Teapot asterism. Another Greek myth connects Sagittarius with Crotus, the son of Pan, the goat-god, and Eupheme, the nurse of the Muses. The Lagoon Nebula is a large interstellar cloud classified as an emission nebula. It is a satellite galaxy of the Milky Way and headed for a collision with our galaxy. It is the third brightest star in the constellation, after Epsilon and Sigma Sagittarii. The Sagittarius Dwarf Irregular Galaxy contains mainly intermediate-age stars as a result of a prolonged period of star formation. On 27 December, 2004, the brightest gamma ray burst ever detected outside the solar system was recorded emanating from the star, with an absolute magnitude of about -29. It lies in an area of the sky known as Baades Window. Sagittarius: The Archer Myth based on the original Greek legend Once upon a time in the ancient lands of Greece, long before horses galloped under the weight of humans, there lived the great Chiron, the centaur. As the stars interact with each other over time, lighter stars tend to pick up speed and migrate out toward the clusters edges, while the heavier stars slow and congregate in orbits toward the centre. Flower: Carnation Like a carnation, those born under the sign of Sagittarius are strong, yet beautiful. It has an apparent magnitude of 12 and with a linear radius of 160 light years it occupies 7.3 of the apparent sky. Sagittarius, the ninth sign of the zodiac, is the home of the wanderers of the zodiac. The third star in the system is an O-type star with an apparent magnitude of 15.36. Alnasl comes from the Arabic al-nal which means arrowhead, and Nushaba is derived from Zujj al-Nashshaba, which means the same thing. Soft gamma repeaters (SGR) are objects that emit enormous bursts of gamma-rays and X-rays at irregular intervals. History and Mythology Of The Sagittarius Constellation. Sigma and Tau Sagittarii mark the handle, Delta, Epsilon, Zeta and Phi Sagittarii form the body of the Teapot, Lambda Sagittarii marks the point of the lid and Gamma-2 Sagittarii marks the tip of the spout. The constellation of Sagittarius (which literally means "archer" in Latin, per Britannica) is said to be a centaur or satyr holding a bow and arrow, according to Gods and Monsters. It's easy to see why the myths behind Centaurus and Sagittarius often get confused. Sagittarius is the 15th largest constellation in the sky. It was recovered by archaeologists and made public by Richard Hinckley Allen in his book Star names, their lore and meaning. The supernova remnant Sagittarius A East is about 25 light years wide and appears to have originated in an event that occurred between 35,000 and 100,000 years ago. Located 38,700 light years away, the star is likely a binary system. Rho Sagittarii is a binary star with a subgiant belonging to the spectral class F0 as the primary component and a K0 type giant as the companion, separated by 0.46 from the primary. The Carina-Sagittarius Arm is particularly notable for containing a large number of H II regions, giant molecular clouds and young stars. This beautiful image features the globular star cluster M75. Ascella also has a dim companion 75 arc seconds away. The Gamma designation used to be shared by two star systems in Sagittarius, Gamma-1 and Gamma-2, which were separated by 0.86 in the sky. Centaurs are considered beasts in mythology due to the fact that they are half horse. SGR 1806-20 was identified as a soft gamma repeater in 1979. Hubble established a distance of over 700,000 light years using the Cepheids period-luminosity relationship, and this was the first system located beyond the Magellanic Clouds to have its distance accurately determined. Messier 18 is an open star cluster in Sagittarius. First detected in 1999, V4641 Sgr is a variable X-ray binary system once considered to be the closest black hole to Earth, at a distance of about 1,600 light years. Centaurs were often associated with the abduction (or attempted abduction . The estimated temperature of the central star, one of the hottest known white dwarfs, is between 150,000 and 250,000 K, and possibly higher. Sagittarius is one of the 88 modern constellations, . It was discovered by James Dunlop on June 2, 1826. Sagittarius in mythology. It was originally discovered by Charles Messier in 1764. The estimated age of the cluster is more than 12 billion years, making NGC 6522 one of the oldest known clusters in the Milky Way. A stars final moments are captured in this image from the NASA/ESA Hubble Space Telescope. The star is approximately 89.1 light years distant from Earth. Because the stars in globular clusters are ancient, their metallic abundances are much lower than more recently formed stars, such as the Sun. The end of this star may only last mere moments on a cosmological timescale, but this stars demise is still quite lengthy by our standards, lasting tens of thousands of years! It is approximately 96.1 light years distant. It lies close to the star Zeta Sagittarii. In Greek mythology, Sagittarius represents a centaur, a half human, half horse creature with the torso of a man and the body and four legs of a horse. What is atypical for a B8V class star is that Alpha Sagittarii is emitting an excess flux of X-rays, possibly because its companion star is still in the pre-main sequence stage. It is approximately 77.3 light years distant. Zeta Sagittarii consists of a class A2 giant star with an apparent magnitude of 3.26 and an A4 type subgiant star with an apparent magnitude of 3.37. Terzan 7 is the brightest of the six globulars discovered by Agop Terzan in 1968. In fact, Chiron was renowned for his gentleness. Sagittarius is often misinterpreted just like Virgo is. The cluster was first observed by Charles Messier in June 1764. Crotus and Chiron share a lot in common. The constellation Sagittarius contains 17 named stars. The myth behind Sagittarius actually refers to Crotus, a satyr that lived on Mount Helicon with the Muses. It was discovered by William Herschel on May 22, 1784. Lambda Sagittarii is an orange giant star, belonging to the spectral class K1+IIIb, with an apparent magnitude of 2.82. Sagittarius constellation has its roots in Sumerian mythology. The Mythology Behind The Sagittarius Constellation Explained. The cluster was discovered by William Herschel on May 24, 1784. It has an apparent magnitude of 15.5. NGC 6578, image: Judy Schmidt (CC BY 2.0). Messier described the object as a large nebulosity containing many stars., Small Sagittarius Star Cloud (Messier 24), image: Thomas Jger (CC BY-SA 4.0). Its symbol is . It is located between Zeta and Sigma Sagittarii. The VLT Survey Telescope (VST) at ESOs Paranal Observatory in Chile has captured this richly detailed new image of the Lagoon Nebula. While the star is far enough for the supernova itself to be harmless, a long duration gamma-ray burst (LGRB) pointed in our direction could certainly do serious damage to our ozone layer. Messier 70 offers a special case because it has undergone what is known as a core collapse. One day, when Heracles was hunting, he accidentally shot Chiron in the knee with a poison arrow. M22 was originally discovered by the German amateur astronomer Johann Abraham Ihle in 1665. In Greek mythology, Sagittarius is Chiron, a centaur who was a teacher to gods and heroes, like Achilles. Hurt, who led the team that confirmed the discovery. Delta Sagittarii is a multiple star system approximately 306 light years distant in the constellation Sagittarius. It was discovered by William Herschel on May 28, 1786. According to the Babylonians, Sagittarius is associated with the god Pabilsag. NGC 6530 is an open cluster within the Lagoon Nebula. A transiting planet was spotted orbiting the magnitude 16 eclipsing variable star OGLE-TR-10 (G2V) in 2002. In some cases, however, the star reignites in a helium flash and expands to return to a red giant state, ejecting huge amounts of gas and dust in the process, before once again shrinking to become a white dwarf. Sagittarius A is a radio source located at the centre of the Milky Way, in the direction of the Sagittarius constellation. (However, most viewers don't see an archer when they look at Sagittariusthe teapot shape is far easier to identify.) Sagittarius contains 15 Messier objects: Messier 8 (M8, NGC 6523, Lagoon Nebula), Messier 17 (M17, NGC 6618 Omega, Swan, Horseshoe or Lobster Nebula), Messier 18 (M18, NGC 6613), Messier 20 (M20, NGC 6514, Trifid Nebula), Messier 21 (M21, NGC 6531), Messier 22 (M22, NGC 6656, Sagittarius Cluster), Messier 23 (M23, NGC 6494), Messier 24 (M24, NGC 6603, Sagittarius Star Cloud), Messier 25 (M25, IC 4725), Messier 28 (M28, NGC 6626), Messier 54 (M54, NGC 6715), Messier 55 (M55, NGC 6809), Messier 69 (M69, NGC 6637), Messier 70 (M70, NGC 6681) and Messier 75 (M75, NGC 6864). The cluster is about 19 light years across. Messier 28 was the first globular star cluster in which a milisecond pulsar (a pulsar with a rotational period between 1 and 10 miliseconds) was discovered in 1986. In mythology, Centaurs were hard drinkers, unreliable, misleading, crude, wild, and adulterous. Alternatively, some mythology identifies Sagittarius as the son of Pan, the god who created archery. Astrology A medieval Sagittarius found in the Church of Notre-Dame, Sablires, France Some explanations suggest that there is something different about clusters that form within dwarf galaxies, giving them a different composition. This vast ball of ancient stars is located at a distance of about 17,000 light-years from Earth. NGC 6717 is a globular cluster 23,100 light years away. It has a faint 14th magnitude companion 32 arc seconds away. The star was last occulted by a planet on November 17, 1981, when Venus passed in front of it. In total, there are about 400,000 stars in the globular cluster. The first magnetar to be identified, in 2013, was SGR J17452900 or PSR J1745-2900, the soft gamma repeater orbiting a black hole in Sagittarius A*. It is the densest concentration of stars that can be seen using binoculars; about a thousand stars are visible within a single field of view. It has an absolute magnitude of -11 and a luminosity about 2 million times that of the Sun. Alpha Sagittarii shares its traditional name, Rukbat, with the star Delta Cassiopeiae (now formally known as Ruchbah). Would you prefer to share this page with others by linking to it? In fiction, Rukbat is probably best known from Anne McCaffreys Dragonriders of Pern series of novels and stories. Sagittarius in Mythology The story of Sagittarius originates from Greek mythology, specifically that of Chiron, an immortal centaur who acted as teacher to many ancient Greek heroes. It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations. Chiron and Achilles. He later included it in his catalogue. Both creatures were very similar to one another and the general meaning of the Sagittarius myth remains the same, regardless of whether you think its representative had two legs or four. Located on the far side of our galaxy, the cluster is heavily obscured by dust, but visible in infrared wavelengths. Polis is about 3,912 light years distant from Earth. The Box Nebula, catalogued as NGC 6445, is a planetary nebula with a visual magnitude of 11.2. 62 Sagittarii (or c Sagittarii) is an M-type giant at the southwest corner, about 450 light years from Earth. Messier 28, based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA). This cosmic pair is set against millions of glowing stars from the brightest part of the Milky Way a region so dense with stars that barely any dark sky is seen across the picture.This part of the constellation of Sagittarius (The Archer) is one of the richest star fields in the whole sky the Large Sagittarius Star Cloud. However, the ancient Greeks had a great deal of respect for the horse, and so were reluctant to make the centaurs entirely bad. The planets SWEEPS-04, orbiting the magnitude 18 star SWEEPS J175853.92291120.6 (F5V), and SWEEPS-11, with the parent star SWEEPS J175902.67291153.5, are among the most distant exoplanets known, both located at a distance of 27,710 light years from Earth. Messier 55 is another globular cluster in Sagittarius. The brightest stars in the cluster are 20th magnitude. Credit: Wikipedia/Public domain The constellation is associated with the centaur Chiron. A Hubble Space Telescope photo of the planetary nebula Henize 3-1475. Lambda Sagittarii is what astronomers sometimes refer to as a clump star: one undergoing the final stages of its existence, but stable nevertheless and fusing helium into carbon and oxygen in its core. It has an apparent magnitude of 13.5 and can be seen near the star 16 Sagittarii. It is a known X-ray source. Both centaurs and satyrs were well known to be wild, rowdy, lustful creatures that had little respect for authority and proper manners. The cluster was discovered by Charles Messier in 1778. Artist conception of the December 27, 2004 gamma ray flare expanding from SGR 1806-20. Sag DEGs ellipse is already extended around our galaxy, and the main cluster will pass through the galactic disc of the Milky Way in the next million years. The nebula was first discovered by William Herschel in 1787. The nebula has an apparent size of only 10 by 8 arc seconds and an apparent magnitude of 13. It has a similar structure to the Small Magellanic Cloud, the dwarf galaxy in the constellation Tucana. Another companion star is only 13th magnitude and can be seen 33 arc seconds away from the primary, while the faintest star in the system is 10th magnitude and is separated from the brightest star by 93 arc seconds. The galaxy was discovered on a photographic plate taken for the ESO Atlas in June 1977. The dwarf galaxy has no shortage of stellar splendour and pyrotechnics. Delta Sagittarii has a radius 62 times solar, a mass about five times solar, and is 1180 times more luminous than the Sun. Because he was close to the Muses, they were the ones who asked Zeus to place him in the sky. Collisions between the clusters themselves and cooler molecular clouds of gas contribute to the diffuse X-rays seen in this image. Sagittarius sits in the 240-270th degree in the zodiac among Scorpio and Capricorn. Terzan 5 has a mass of about 2 million solar masses and bolometric luminosity 800,000 times that of the Sun. Since it lies very close to the ecliptic, Lambda Sagittarii is occasionally occulted by the Moon and, more rarely, by planets. Sagittarius is the ninth astrological sign of the zodiac. Sagittarius has seven stars brighter than magnitude 3.00 and three stars located within 10 parsecs (32.6 light years) of Earth. Eta Sagittarii is another multiple star system in Sagittarius. The primary component, Arkab Prior A, is a B9 type main sequence dwarf with an apparent magnitude of 3.96, while the companion star, Arkab Prior B, is a class A3 dwarf with an apparent magnitude of 7.4. Because it has an imposing size and energy, Sagittarius A East is believed to be a remnant of a star that came close to the central black hole and was gravitationally compressed. The cluster was discovered by William Herschel in 1784 using his 18.7-inch telescope. Gamma Sagittarii is a K type (K0III) giant star with an apparent magnitude of 2.98. It may look like something from The Lord of the Rings, but this fiery swirl is actually a planetary nebula known as ESO 456-67. Messier 28 is a globular cluster located near Lambda Sagittarii (Kaus Borealis). It has an apparent size of 5.2 by 5.2. Sagittarius embodies adventure and the pursuit of meaning. The system is notable for being the source of one of the most rapid superluminal (faster than light) jets in our galaxy. The archer's best-known identity was that of a centaur, a beast with the upper body of a man and the lower body, hind legs, and tail of a horse. It was discovered by Edward Charles Pickering on August 18, 1882. Mythology of the constellation Sagittarius. The stars are located at different distances from the solar system and are not gravitationally bound. NGC 6818 is a magnitude 10 planetary nebula in Sagittarius. It was discovered by the French astronomer Pierre Mchain in 1780. The cluster has an apparent magnitude of 6.9 and is about 2,150 light years distant. The zodiacal constellation Sagittarius represents the centaur Chiron. The Sagittarius Dwarf Elliptical Galaxy has an apparent magnitude of 4.5 and is approximately 65,000 light years distant. The clouds have an ionized surface. It is good to remember the reason why Sagittarius is a centaur in the first place. Greek mythology held that both satyrs and centaurs were mostly huge, boorish jerks, but Crotus and Chiron were the exceptions: intelligent, kind, sensitive, and sympathetic to humans. The myth behind Sagittarius actually refers to Crotus, a satyr that lived on Mount Helicon with the Muses. Image: ESO, 2013. Mythology. Ancient Greeks on the other hand had tremendous respect for horses. The Hourglass Nebula contains several Herbig-Haro objects, small patches of nebulosity indicating that there are newly born stars in the vicinity, and providing direct evidence of star forming activity in the region. It has an apparent magnitude of 5.1 and is approximately 10,600 light years distant. Even though Chiron was skilled in medicine, he also could not heal himself, putting him in great pain. The brightest companion star is an F class dwarf with an apparent magnitude of 7.77. The object is actually a small white dwarf star undergoing a helium flash one of only a handful of examples of such an event ever witnessed by astronomers. This Chandra image of Sgr A* and the surrounding region was made from a 164 hours of observation time over a two-week period. Nunki has a faint (magnitude 9.5) companion about 5.2 arc minutes away. His name was Crotus, and he was put into the sky by the god Zeus so that everyone could see how archery worked. Mythology And Facts About The Idealistic Sagittarius The birthday of a Sagittarius-born will always fall between November 22nd and December 21st. In Greek mythology, Sagittarius represents a centaur, a half human, half horse creature with the torso of a man and the body and four legs of a horse. The nebula was discovered by Truman Safford on 28 August, 1867. However, it is pretty unlikely that the star has a sufficiently high spin velocity to produce a LGRB and the exact inclination of its spin axis is uncertain. It can be found between the Sagittarius Star Cloud (Messier 24) and the Omega Nebula (Messier 17). It was named after R. J.
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