"concave surface of the rotating disc lifts and throws the soil to the side. It doesn't make as good a job as the mouldboard plough (but this is not considered a disadvantage, because it helps fight wind erosion), but it does lift and break up the soil (""see"" disc harrow). Modern ploughs are usually multiple reversible ploughs, mounted on a tractor via a three-point linkage. These commonly have between two and as many as seven mouldboards – and ""semi-mounted"" ploughs (the lifting of which is supplemented by a wheel about halfway along their length) can have as many as eighteen"
"Big Dipper The Big Dipper (US) or the Plough (UK, Ireland) is a large asterism consisting of seven bright stars of the constellation Ursa Major; six of them are of second magnitude and one, Megrez (δ), of third magnitude. Four define a ""bowl"" or ""body"" and three define a ""handle"" or ""head"". It is recognized as a distinct grouping in many cultures. The North Star (Polaris), the current northern pole star and the tip of the handle of the Little Dipper (Little Bear), can be located by extending an imaginary line through the front two stars of the asterism, Merak"
"such kudurrus really represented constellations and astronomical information aside from the use of the symbols remains unclear. Star catalogues after ""Three Stars Each"" include the ""MUL.APIN"" list named after the first Babylonian constellation """", ""the Plough"", which is the current Triangulum constellation plus Gamma Andromedae. It lists, among others, 17 or 18 constellations in the zodiac. Later catalogues reduce the zodiacal set of constellations to 12, which were borrowed by the Egyptians and the Greeks, still surviving among the modern constellations. The first formal compendia of star lists are the ""Three Stars Each"" texts appearing from about the twelfth century"
"1000 BC, the MUL.APIN. The Plough was the first constellation of the ""Way of Enlil""—that is, the northernmost quarter of the Sun's path, which corresponds to the 45 days on either side of summer solstice. Its first appearance in the pre-dawn sky (heliacal rising) in February marked the time to begin spring ploughing in Mesopotamia. The Ancient Greeks called Triangulum ""Deltoton"" (Δελτωτόν), as the constellation resembled an upper-case Greek letter delta (Δ). It was transliterated by Roman writers, then later Latinised as Deltotum. Eratosthenes linked it with the Nile Delta, while the Roman writer Hyginus associated it with the triangular"
"The Plough and the Stars The Plough and the Stars is a four-act play by the Irish writer Seán O'Casey that was first performed on February 8, 1926 at the Abbey Theatre. It is set in Dublin and addresses the 1916 Easter Rising. The play's title references the Starry Plough flag which was used by the Irish Citizen Army. It is the third play of O'Casey's well-known ""Dublin Trilogy"" – the other two being ""The Shadow of a Gunman"" (1923) and ""Juno and the Paycock"" (1924). The first two acts take place in November 1915, looking forward to the liberation"
"is known as ""The Plough"" in Ireland and Great Britain. The Plough is one of the most prominent features of the night sky over Ireland throughout the year. This was unveiled in 1914 and flown by the socialist workers' militia (the Irish Citizen Army) during the 1916 Easter Rising. In China, the Plough flag (), a red flag with white or yellow plough, is widely used in the period of the First Revolutionary Civil War as the flag of the Chinese peasant associations, an organization led by the Communist Party of China. It is believed that Peng Pai () was"
"Pleiades The Pleiades (), also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky. The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. Reflection nebulae around the brightest stars were once thought to be left over material from the formation of the cluster, but are now considered likely to be an unrelated"
"thinking. By 1851, the number of ""planets"" had grown to 23 (the eight recognised today, plus fifteen between Mars and Jupiter), and it was clear that hundreds more would eventually be discovered. Astronomers began cataloguing them separately and began calling them ""asteroids"" instead of ""planets"". With the discovery of Pluto by Clyde Tombaugh in 1930, astronomers considered the Solar System to have nine planets, along with thousands of smaller bodies such as asteroids and comets. Pluto was thought to be larger than Mercury. Tombaugh discovered Pluto while working at the Lowell Observatory founded by Percival Lowell, one of many astronomers"
"is a notable double star system, and there are three star systems with known planets located in Triangulum. The constellation contains several galaxies, the brightest and nearest of which is the Triangulum Galaxy or Messier 33—a member of the Local Group. The first quasar ever observed, 3C 48, also lies within the boundaries of Triangulum. In the Babylonian star catalogues, Triangulum, together with Gamma Andromedae, formed the constellation known as APIN () ""The Plough"". It is notable as the first constellation presented on (and giving its name to) a pair of tablets containing canonical star lists that were compiled around"
"Worlds Paranormal Support Group would be investigating the pub and helping the owners deal with the hauntings. According to Brewer's Dictionary of Phrase and Fable , the ""Seven Stars"" can be a reference to the Pleiades, a cluster of stars in the constellation of Taurus, (also known as the Seven Sisters, named by the Greeks for the seven daughters of Atlas); the seven moving heavenly bodies known to the ancients: the sun, the moon, and the planets Mercury, Venus, Mars, Jupiter and Saturn; or the constellation Ursa Major, ""the Plough"", important for its symbolism in a rural arable area, and"
"NGC 4349 NGC 4349 is an open cluster in the constellation Crux. It was discovered by James Dunlop in 1826. It is located approximately 7,000 light years away from Earth. There are 390 probable member stars within the angular radius of the cluster and 129 within the central part of the cluster. The tidal radius of the cluster is 17.8 - 22.8 parsecs (58 - 75 light years) and represents the average outer limit of NGC 4349, beyond which a star is unlikely to remain gravitationally bound to the cluster core. One blue straggler has been detected in the cluster."
"for indicating the direction North. ""The Plough"" is also a common pub name. The reference to ""seven stars in the sky"" in the famous Green Grow the Rushes O! Teaching Song or Dilly Song gives further, if mystical, insights. The Seven Stars could be the Seven Stars referred to in Revelations as representing the seven angels of the Seven churches of Asia; or the Pleiades, or Ursa Major. The song is replete with Christian and Pre-Christian symbolism, and dates to medieval times, if not earlier. Shakespeare refers to the ""seven stars"" in King Lear Act 1, v The Seven Stars"
"This means there are ""two billion"" of these ""Earth analogs"" in the Milky Way alone. The JPL astronomers also noted that there are ""50 billion other galaxies"", potentially yielding more than one sextillion ""Earth analog"" planets if all galaxies have similar numbers of planets to the Milky Way. In January 2012, an international team of astronomers reported that each star in the Milky Way may host ""on average...at least 1.6 planets"", suggesting that over 160 billion star-bound planets may exist in the Milky Way. ""Kepler"" also recorded distant stellar super-flares, some of which are 10,000 times more powerful than the"
"to study. The nine brightest stars of the Pleiades are named for the Seven Sisters of Greek mythology: Sterope, Merope, Electra, Maia, Taygeta, Celaeno, and Alcyone, along with their parents Atlas and Pleione. As daughters of Atlas, the Hyades were sisters of the Pleiades. The English name of the cluster itself is of Greek origin (Πλειάδες), though of uncertain etymology. Suggested derivations include: from πλεῖν ""plein"", ""to sail"", making the Pleiades the ""sailing ones""; from πλέος ""pleos"", ""full, many""; or from πελειάδες ""peleiades"", ""flock of doves"". The following table gives details of the brightest stars in the cluster: Ages for"
"size. It appears prominently in the northern sky during the Northern Hemisphere's spring. Its main asterism consists of 19 stars. The constellation's boundaries, as set by Eugène Delporte in 1930, are defined by a 26-sided polygon. In the equatorial coordinate system, the right ascension coordinates of these borders lie between and , while the declination coordinates are between and . The International Astronomical Union (IAU) adopted the three-letter abbreviation ""Per"" for the constellation in 1922. Algol (from the Arabic رأس الغول ""Ra's al-Ghul"", which means ""The Demon's Head""), also known by its Bayer designation Beta Persei, is the best-known star"
"Electra (star) Electra, also designated 17 Tauri, is a blue-white giant star in the constellation of Taurus. It is the third-brightest star in the Pleiades open star cluster (M45); the most visible stars in this group are named for the Seven Sisters of Greek mythology. The star has an apparent brightness of 3.72, the third-brightest of the stars in the group. Electra belongs to the spectral class B6 IIIe and is approximately 400 light-years from the Sun. The Pleiades cluster is thought to be 444 light-years away. The projected rotational velocity of this star is 181 km/s, making it a"
"mentally draw a line from the Pleiades star cluster located in Taurus and the brightest star in Leo, Regulus. In doing so, an imaginary line that is relatively close to the ecliptic is drawn, a line which intersects Gemini roughly at the midpoint of the constellation, just below Castor and Pollux. The constellation contains 85 stars visible to observation on Earth without a telescope. The brightest star in Gemini is Pollux, and the second-brightest is Castor. Castor's Bayer designation as ""Alpha"" arose because Johann Bayer did not carefully distinguish which of the two was the brighter when he assigned his"
"simply as a recognisable pattern of stars whose appearance is associated with mythological characters or creatures, or earthbound animals, or objects. It can also specifically denote the officially recognized 88 named constellations used today. Colloquial usage does not draw a sharp distinction between ""constellations"" and smaller ""asterisms"" (pattern of stars), yet the modern accepted astronomical constellations employ such a distinction. E.g., the Pleiades and the Hyades are both asterisms, and each lies within the boundaries of the constellation of Taurus. Another example is the popular northern asterism known as the Big Dipper (US) or the Plough (UK), composed of the"
"star he designated in the neighbouring constellation Crater—31 Crateris—lay within Corvus once the constellation boundaries were established in 1930. Within the constellation's borders, there are 29 stars brighter than or equal to apparent magnitude 6.5. Four principal stars, Delta, Gamma, Epsilon, and Beta Corvi, form a quadrilateral asterism known as ""the ""Spica's Spanker"" or ""the Sail"". Although none of the stars are particularly bright, they lie in a dim area of the sky, rendering the asterism easy to distinguish in the night sky. Gamma and Delta serve as pointers toward Spica. Also called Gienah, Gamma is the brightest star in"
"only mentioned the most important stars, this numbering to about a hundred, while leaving out the less important ones (which could be hundreds more). Amazingly, the Pleiades are at max, 500 light years away, and here were the rabbis, commenting on the number of stars where other cultures could only detect 6-7. In Arabic the Pleiades are known as ""al-Thurayya"" الثريا, and mentioned in Islamic literature. Muhammad is noted to have counted twelve stars in the constellation as reported in Ibn Ishaq (this was in the time before telescopes when most could only see six). The name was borrowed into"
"Wain"" or ""the Plough"" (among others), with its stellar configuration mimicking the shape of the ""Little Dipper"". The general constellation outline often significantly features in numerous world cultures, and frequently is used as a symbol of the north. e.g. as the flag of Alaska. Also the asterism's two brightest stars, named Dubhe and Merak (α Ursae Majoris and β Ursae Majoris), can be used as the navigational pointer towards the place of the current northern pole star, Polaris in Ursa Minor. Ursa Major is visible throughout the year from most of the northern hemisphere, and appears circumpolar above the mid-northern"
"August 2016 and it is now so entered in the IAU Catalog of Star Names. USS ""Electra"" (1843) and USS ""Electra"" (AK-21/AKA-4), both of United States Navy. Electra (star) Electra, also designated 17 Tauri, is a blue-white giant star in the constellation of Taurus. It is the third-brightest star in the Pleiades open star cluster (M45); the most visible stars in this group are named for the Seven Sisters of Greek mythology. The star has an apparent brightness of 3.72, the third-brightest of the stars in the group. Electra belongs to the spectral class B6 IIIe and is approximately 400"
"of the nebula's spooky appearance, it was featured on the NASA website as the Astronomy Picture of the Day on All Hallows Eve, November 1, 2004. DR 6 nebula DR 6 is a cluster of stars in the Milky Way galaxy, composed of dust, gas, and about 10 large newborn stars, each roughly ten to twenty times the size of the Sun. It was discovered by astronomers at NASA with the Spitzer Space Telescope, viewing the nebula using infrared light. The areas of the cluster that appear green are mainly composed of gas, while the parts that seem to be"
"designations to 27 stars now named Alpha to Omega Fornacis, labelling two stars 3.5 degrees apart as Gamma, three stars Eta, two stars Iota, two Lambda and three Chi. Phi Fornacis was added by Gould, and Theta and Omicron were dropped by Gould and Baily respectively. Upsilon, too, was later found to be two stars and designated as such. Overall, there are 59 stars within the constellation's borders brighter than or equal to apparent magnitude 6.5. However, there are no stars brighter than the fourth magnitude. The three brightest stars form a flattish triangle, with Alpha (also called Dalim) and"
"Double Cluster The Double Cluster (also known as Caldwell 14) is the common name for the open clusters NGC 869 and NGC 884 (often designated h Persei and χ Persei, respectively), which are close together in the constellation Perseus. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of 7500 light years. NGC 869 has a mass of 3700 solar masses and NGC 884 weighs in at 2800 solar masses; however, later research has shown both clusters are surrounded with a very extensive halo of stars, with a total mass for the complex of"
"a ""star cluster"" or ""star of stars"" in the lists, written as MUL.MUL, or MUL (). The second formal compendium of stars in Babylonian astronomy is the MUL.APIN, a pair of tablets named for their ""incipit"", corresponding to the first constellation of the year, ""The Plough"", identified with Triangulum plus Gamma Andromedae. The list is a direct descendent of the ""Three Stars Each"" list, reworked around 1000 BC on the basis of more accurate observations. They include more constellations, including most circumpolar ones, and more of the zodiacal ones. The Babylonian star catalogues entered Greek astronomy in the 4th century"
"association with the sun god and another mythical being called the Bison-man, which is supposedly related to the Greek constellation of Centaurus. Lupus is bordered by six different constellations, although one of them (Hydra) merely touches at the corner. The other five are Scorpius (the scorpion), Norma (the right angle), Circinus (the compass), Libra (the balance scale), and Centaurus (the centaur). Covering 333.7 square degrees and 0.809% of the night sky, it ranks 46th of the 88 modern constellations. The three-letter abbreviation for the constellation, as adopted by the International Astronomical Union in 1922, is ""Lup"". The official constellation boundaries"
"cluster features a rich field of about 150 stars of magnitudes 12-15. NGC 457 NGC 457 (also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia. It was discovered by William Herschel in 1787, and lies over 7,900 light years away from the Sun. It has an estimated age of 21 million years. The cluster is sometimes referred by amateur astronomers as the ""Owl Cluster"", ""Kachina Doll Cluster"", the ""ET Cluster"" (due to its resemblance to the movie character) or the ""Skiing Cluster"". Two bright stars, magnitude 5 Phi-1"
"It is 13 arc minutes in diameter. By the western edge of the cluster is the unrelated star, 5.5-magnitude HD 56405. American astronomer Olin J. Eggen surveyed the cluster in 1968, concluding that the brightest star in the field, magnitude-8.96 HD 56847, is likely to lie in the field and not a true member of the cluster. He also identified one or possibly two blue stragglers. These are unexpectedly hot and luminous stars that appear younger than surrounding stars, and have likely developed by sucking matter off companion stars. Four are now recognised to be in the cluster. By analysing"
"is bordered by five different constellations: Eridanus (the Po River), Caelum (the chisel), Reticulum (the reticle), Dorado (the dolphinfish/swordfish), and Hydrus (the ""male"" water snake). The three-letter abbreviation for the constellation, as adopted by the International Astronomical Union in 1922, is 'Hor'. The official constellation boundaries are defined by a twenty-two sided polygon (""illustrated in infobox""). In the equatorial coordinate system, the right ascension coordinates of these borders lie between and , while the declination coordinates are between −39.63° and −67.04°. Horologium has only one star brighter than apparent magnitude 4, and 41 stars brighter than or equal to magnitude"
"Triangulum Triangulum is a small constellation in the northern sky. Its name is Latin for ""triangle"", derived from its three brightest stars, which form a long and narrow triangle. Known to the ancient Babylonians and Greeks, Triangulum was one of the 48 constellations listed by the 2nd century astronomer Ptolemy. The celestial cartographers Johann Bayer and John Flamsteed catalogued the constellation's stars, giving six of them Bayer designations. The white stars Beta and Gamma Trianguli, of apparent magnitudes 3.00 and 4.00, respectively, form the base of the triangle and the yellow-white Alpha Trianguli, of magnitude 3.41, the apex. Iota Trianguli"
"due to the asterism of its primary four stars. Two of these can be resolved into their component binary systems on nights with good seeing, giving a total of six stars. The stars of the Trapezium, along with many other stars, are still in their early years. The Trapezium is a component of the much larger ""Orion Nebula Cluster"", an association of about 2,800 stars within a diameter of 20 light years. Two million years ago this cluster may have been the home of the runaway stars AE Aurigae, 53 Arietis, and Mu Columbae, which are currently moving away from"
"same year. Although not an exclusively communist symbol, the Plough, or Starry Plough, is a symbol of Irish socialism. It may have the same roots as the original hammer and Plough that was replaced by the hammer and sickle in Soviet Russia. The significance of the banner was that a free Workers Republic of Ireland would control its own destiny from the plough to the stars and the sword forged into the plough would mean the redundancy of war with the establishment of a socialist International. The flag depicts the Big Dipper, part of the constellation of Ursa Major that"