How to use longitude in a sentence

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Sentence Examples The map has no indicator of orientation except the graticule, the latitude and longitude grid. During the voyage he experimented with the lunar position method of determining longitude. He proposed the method of lunar distances to determine longitude which was an important proposal. For some years he had maintained a strong interest in, and advocacy of, the method of lunar distances for determining longitude. Tidal movements are displayed graphically based on your current latitude and longitude, and the lunitidal interval. The first part described geographical and astronomical terms such as latitude, longitude, meridian, poles, eclipses, signs of the zodiac etc. Accurate clock synchronization over large distances was needed for longitude determination. Assignment of local standard times was based on the nearest standard meridian to the east of the simulation longitude. The red line down the face of the building marks the precise longitude at which time begins. The custom software passively logs the latitude and longitude, the signal strength, the network name, and other vital stats. He also determined the latitude and longitude of many stars, and measured the greatest declination of the planet Mercury. The expedition carried a chronometer for measuring longitude, although winding it each day at noon was a challenge. On the earliest charts displaying a longitude scale, the prime meridian passed through the Canaries. Reliable chronometers, first available on Cook's second voyage, allowed more reliable determination of longitude. Three methods to determine the heliographic latitude and longitude of sunspot groups are described below. The world would be divided into 24 equal zones of standard time, each spanning 15 degrees of longitude. And it's where time itself starts, being the site of the prime meridian, Greenwich Mean Time or degrees longitude, depending on what you prefer. Without an accurate chart, the precise latitude and longitude, often to three decimals provided by the GPS, is just a set of numbers. As you move away from the equator and toward the poles, the longitude lines get closer together, creating a nonhomogeneous globe. He then marked off where the lines of longitude crossed the parallel of Rhodes, taking 400 stadia per degree. Show More Sentences The Pleiades is a nebulous cluster of stars, all contained within one degree of longitude, located on the shoulder of the Bull. Cassini wrote a detailed description of precisely how the longitude measurements were to be carried out. Each image above shows the globe of Phoebe, centered at the given longitude. One person who presented his ideas on the longitude was Jacques Graindorge, the prior of a Benedictine abbey in Fontenay near Caen. The most difficult part of this process turned out to be converting the grid coordinate from military to latitude and longitude. My copilot quickly punched in the latitude and longitude, and we turned toward the position, 40 nautical miles away. Such locations were defined based on the latitude and longitude of the center of the country of origin. It also gives a method to determine longitude based on eclipses of the Moon. The bulk consists of lists of places with longitude and latitude, with brief descriptions of important topographical features. Proposals were being made to solve the longitude problem and in 1673 one based on magnetic declination was proposed by a certain Henry Bond. It's easy enough to gauge an asteroid's longitude and latitude, but figuring out its current celestial position is tricky. The numbers that you see along the equator line represent celestial longitude, that is, hours of right ascension. Greenwich was adopted as the universal time meridian of longitude from which standard times throughout the world are calculated. Like the lines of longitude on Earth, each great circle eventually intersects with every other great circle at the poles of the sphere. These paintings, like the GPS longitude, latitude, and time read-outs, simply mark the artist's presence. To picture the difference, start with the way geographers mark longitude and latitude on Earth's surface. Its goal is to visit each of the latitude and longitude integer degree intersections in the world, and to take pictures at each location. The second and third groupings were obviously longitude and latitude coordinates. To get your first map, determine the latitude and longitude of the center of your new map. The approximate center of the island group is eight degrees north latitude and 169 east longitude. Show More Sentences Anywhere within about 90 degrees of longitude of that meridian will be able to see the complete eclipse. Her certificate of discharge even recorded the longitude and latitude at which the company's contractual obligations ended. The zero degree line of longitude slices down through Greenwich, dividing London into western and eastern hemispheres. Each standard atlas covers thirty minutes of latitude and longitude at a scale of four miles to the inch, and fills one page in the book. Other published co-ordinates agree with the latitude, but longitude can vary by as much as 0.03 minutes west. Firstly, remember that your longitude is the angular distance West of the Greenwich meridian. Every four minutes of difference would indicate 1 degree of longitude to the east or the west. Down the left of the chart Galileo lists the longitude and latitude for each planet. You may notice that both these institutions of higher education are a mere stone's throw from my current longitude and latitude. As of 1791, the meter was defined as one ten-millionth the distance from the North Pole to the equator along the line of longitude that passes through Paris. Triangulation also fixed any specific point within the comprehensive graticule of longitude and latitude that described the shape and size of the globe. The great circle distances between the latitude and longitude coordinates of the population centroids for each pair of counties were used in the denominator. The longitude between Queens and the Kremlin gave Channel One some latitude. Whereas meridians of longitude loop, from the North Pole to the South and back again, in great circles of the same size, converging at the ends of the earth. At the right longitude and latitude, the resort has plentiful snowfall. Whereas terrestrial longitude uses meridians of longitude, right ascension uses hour circles which run between the north and south celestial poles. For example, on geographers' globes of the Earth we use a grid of latitude and longitude lines to label positions on the Earth's surface uniquely. The additional functionality will be supplied by features such as geographic analysis tools, geocoding, and latitude and longitude input capability. On the surface of the earth, the shortest path between two points is along the meridian of fixed longitude connecting the North Pole to the other point. Any object on the same hour circle will have the same right ascension, just as any place on earth on the same meridian of longitude has the same longitude. Show More Sentences To calculate your longitude at sea, you need to know what time it is onboard ship and also, at that very same moment, the local time in your home port. The dog, wherever in the world its ship was at that moment, would then obligingly yelp and the mariner could then note the local time and so find his longitude. This displaces the track of totality about 60 degrees east in longitude. Since the event occurred at a known time, it provided an accurate means of determining longitude. Exact longitude, however, remained elusive, and mariners struggled to determine it for centuries. Achieving highly precise longitude remained a problem in geography until the application of Galileo's Jovian moon method in the 18th century. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth. Two levels of abstraction are employed in the definition of latitude and longitude. The definitions of latitude and longitude on such reference surfaces are detailed in the following sections. Lines of constant latitude and longitude together constitute a graticule on the reference surface. His shoulders are remarkably sloping, giving an appearance of great longitude to his neck. At that time the chief method of determining longitude was by using the reported times of lunar eclipses in different countries. The latitude and longitude on a map made against a local datum may not be the same as one obtained from a GPS receiver. Similarly, the length in meters of a degree of longitude can be calculated as. The first rigorous system of latitude and longitude lines is credited to Hipparchus. To measure the longitude at different location on Earth, he suggested using eclipses to determine the relative difference in time. The problem facing both explorers and geographers was finding the latitude and longitude of a geographic location. Ordnance Survey maps of Great Britain use the Ordnance Survey National Grid rather than latitude and longitude to indicate position. Honshu spans more than eight degrees of latitude and 11 degrees of longitude. At noon on the longest day the plane of longitude passing through Marseilles is exactly on edge to the sun. Show More Sentences The gazetteer section of Ptolemy's work provided latitude and longitude coordinates for all the places and geographical features in the work. Older reconstructions rely mainly on paleomagnetic pole data, although these only constrain the latitude and rotation, but not the longitude. They are the product of two functions, one that depends on latitude and one on longitude. The main cause of the catastrophe has often been portrayed as the navigators' inability to accurately calculate their longitude. Some have argued that the disaster was in fact caused more by an error in latitude than in longitude. William May points out that the position of the Isles of Scilly themselves was not known accurately in either longitude or latitude. Russia today has nine time zones, stretching across about half of the world's longitude. The longitude of Rio de Janeiro was to be found and also made geological survey of a circular coral atoll in the Pacific ocean. But this was a particularly hard task in an era where longitude was determined largely by dead reckoning. Before good chronometers were available, longitude measurements were based on the transit of the moon, or the positions of the moons of Jupiter. Knowing Greenwich time and comparing against local time from a common altitude sight, the navigator can work out his longitude. The measurement of longitude is important both to cartography and for ocean navigation. Mariners and explorers for most of history struggled to determine longitude. By comparing the positions of the moon and Mars with their anticipated positions, Vespucci was able to crudely deduce his longitude. Unlike latitude, which has the equator as a natural starting position, there is no natural starting position for longitude. In 1884 the International Meridian Conference adopted the Greenwich meridian as the universal Prime Meridian or zero point of longitude. There is no other physical principle determining longitude directly but with time. To avoid these complexities, consider replacing latitude and longitude with another horizontal position representation in calculation. However, planetocentric longitude is always measured positively to the east, regardless of which way the planet rotates. In considering temperature, location in terms of latitude and longitude is not a significant factor. Show More Sentences Similar to latitude, the longitude of a place on Earth is the angular distance east or west of the prime meridian or Greenwich meridian. Each second of error is equivalent to 15 seconds of longitude error, which at the equator is a position error of. The measurement of longitude is important to both cartography and navigation, in particular to provide safe ocean navigation. Eratosthenes in the 3rd century BC first proposed a system of latitude and longitude for a map of the world. He also proposed a system of determining longitude by comparing the local time of a place with an absolute time. This is the first recognition that longitude can be determined by accurate knowledge of time. Whatever could be discovered from solving the problem at sea would only improve the determination of longitude on land. The prizes were to be awarded for the discovery and demonstration of a practical method for determining the longitude of a ship at sea. Halley also hoped that careful observations of magnetic deviations could provide a determination of longitude. Halley and others hoped that the pattern of deviation, if consistent, could be used to determine longitude. In particular, Huygens had made accurate pendulum clocks that made it possible to determine longitude on land. Latitude and longitude coordinates for the location of these hidden geocaches are downloaded from the internet and loaded on a GPS receiver. Apart from maps, he published journals and navigational guides and developed a new method for determining longitude. As with other maps made before the 17th century, the Dieppe maps show no knowledge of longitude. The landscapes of the Urals vary with both latitude and longitude and are dominated by forests and steppes. In 1732, a Russian geodesist, Mikhail Gvozdev, determined longitude and latitude for the two islands. They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable. These assist in determining the heliographic latitude and longitude of sunspots. Coordinates are then entered with an allowable resolution of 1 milliarcsecond for latitude and longitude and 1 cm for altitude, and are saved by touching the Save button. It was unusual for an iceberg to be so far south and so large that it was noteworthy and the latitude and longitude are inscribed on the photograph in longhand. Show More Sentences In the West, relatively arbitrary straight lines following latitude and longitude often prevail, due to the sparseness of settlement west of the Mississippi River. The conflict began in 1520, when expeditions of both kingdoms reached the Pacific Ocean, because no agreed meridian of longitude had been established in the orient. In the process of searching for a solution to the problem of determining longitude, many scientists added to the knowledge of astronomy and physics. Coast Survey coordinated European and North American longitude measurement campaigns in the 1850s and 1860s, resulting in improved map accuracy and navigation safety. In some cases, special expeditions were mounted to observe a special occultation or eclipse to determine the longitude of a location without a permanent observatory. Even with the availability of multiple modern methods of determining longitude, a marine chronometer and sextant are routinely carried as a backup system. Determining longitude at sea was also much harder than on land. His scientific works ranged from astronomy, optics, the problem of finding longitude at sea, cosmology, mechanics, microscopy, surveying, medicine and meteorology. For longitude, early ocean navigators had to rely on dead reckoning. Finding an accurate and reliable method of determining longitude took centuries of study, and involved some of the greatest scientific minds in human history. The history of longitude is a record of the effort, by astronomers, cartographers and navigators over several centuries, to discover a means of determining longitude. For most of history, mariners struggled to determine longitude. The letter, to Lorenzo di Pierfrancesco de' Medici, claims that Vespucci determined his longitude celestially on August 23, 1499, while on this voyage. A point on the Equator that passes directly in front of this observer later in time has a higher planetographic longitude than a point that did so earlier in time. The longitude systems of most of those bodies with observable rigid surfaces have been defined by references to a surface feature such as a crater. Note that the longitude is singular at the Poles and calculations that are sufficiently accurate for other positions, may be inaccurate at or near the Poles. Latitude was calculated by observing with quadrant or astrolabe the altitude of the sun or of charted stars above the horizon, but longitude is harder. Finding a method of determining longitude took centuries, resulting in the history of longitude recording the effort of some of the greatest scientific minds. By convention, one of these, the Prime Meridian, which passes through the Royal Observatory, Greenwich, England, was allocated the position of zero degrees longitude. If one can accurately measure the angle to Polaris, a similar measurement to a star near the eastern or western horizons will provide the longitude. Show More Sentences The known means of measuring longitude were so inexact that the line of demarcation could not in practice be determined, subjecting the treaty to diverse interpretations. To create accurate maps, latitude and longitude need to be known. During the earlier part of this period, the long pike disappeared from the shoe, but in the later part it returned in greater longitude than ever. As technology improved, measurement of depth, latitude and longitude became more precise and it became possible to collect more or less continuous sets of data points. One of its essential tasks was a stop at Fernando Noronha to confirm its exact longitude, using the 22 chronometers on board the ship to give the precise time of observations. The longitude of Rio de Janeiro taken by Foster was among those on one side of a significant discrepancy, which meant that the charts of South America were in doubt. This line of reasoning fails at the North Pole, where the sun rises and sets only once per year, and all lines of longitude, and hence all time zones, converge. Ptolemy credited him with the full adoption of longitude and latitude, rather than measuring latitude in terms of the length of the midsummer day. A common choice of coordinates is latitude, longitude and elevation. In the early 18th century the battle was on to improve the determination of longitude at sea, leading to the development of the marine chronometer by John Harrison. The section on geography was allegedly originally ornamented with a map based on ancient and Arabic computations of longitude and latitude, but has since been lost. Many maps maintained by national agencies are based on older ellipsoids, so one must know how the latitude and longitude values are transformed from one ellipsoid to another. The graticule is formed by the lines of constant latitude and constant longitude, which are constructed with reference to the rotation axis of the Earth. Latitude and longitude together with some specification of height constitute a geographic coordinate system as defined in the specification of the ISO 19111 standard. He can provide reams of longitude and solar time data to prove that Indiana really belongs in the Central time zone, and that Daylight Saving Time is good for no one. Examples from Classical Literature We were now questioned about our longitude, and whether we had a chronometer. The latitude, chronometric differences of longitude, and magnetic variation, were determined on shore at this southern point. From this prime meridian longitude is calculated, which means that any given locality is so many degrees east or west of it. Shortly after the voyage of Columbus it was thought that the longitude of a place could be found from its magnetic declination. I therefore returned to the camp and helped Dovers take observations for longitude and magnetic variation. Degrees of longitude are numbered east and west, meeting just opposite at 180, which is the date line. Let b be the longitude of a minor planet in the initial epoch, that is to say, the epoch zero. The maximum occurs between 30 and 60, where thirty-five perihelia are found in 30 of longitude. This includes a considerable area in every state and territory west of the ninety-ninth degree of longitude. They had sun glasses and an air gun and instruments for latitude and longitude. Throughout the week Grief begged and badgered them for the longitude of the island. The Natchez are situate in about 32 odd minutes of north latitude, and 280 of longitude. I took the observation for longitude and latitude, found the height by hypsometer, and took some photographs. No surveyor had ever happened along to give them their latitude and longitude. The one on the left illustrates the manner in which the libration in longitude is made apparent. Only on the equator is a minute of longitude and a nautical mile of the same length. When the GHA is greater than the local longitude, the azimuth is positive. He could not stand up to that particular sort of talk, and snapped out the latitude and longitude without more lectures. When the GHA is less than the local longitude, the azimuth is negative. Plotted up track and took observations for time and longitude. Show More Sentences Barlee Spring is in longitude about 127 degrees 22 minutes East. It's four minutes difference for every degree of longitude, you know. It was half-past three by mean solar time for that particular longitude. On the longitude of the perigee of the lunar orbit at the time. Motion in longitude is not the same thing as motion in right ascension. Halley was sent to the Cape of Good Hope to determine its longitude. The Pacific Ocean extends from north to south between the two Polar Circles, and from east to west between Asia and America, over an extent of 145 degrees of longitude. The 20th of July, the tropic of Capricorn was cut by 105d of longitude, and the 27th of the same month we crossed the Equator on the 110th meridian. I set the pointer here upon the right-hand dial which represents the eastern hemisphere of Barsoom, so that the point rests upon the exact latitude and longitude of Helium. By an observation of Jupiter's satellites, with a Dolland reflecting telescope, Captain Bonneville ascertained the longitude to be 102 57' west of Greenwich. The eight monthly issues help students build critical geography skills like reading a compass rose, reading a distance scale, understanding latitude and longitude, and more. Tristram looked at him for some moments, and allowed his placid eyes to measure his friend's generous longitude and rest upon his comfortably contemplative face. And then his conversation rang along parallels of latitude and longitude. Find more words! 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What is the opposite of longitude? Words that rhyme with longitude What is the plural of longitude? What is the adverb for longitude? What is the adjective for longitude? What is the noun for longitude? Translations for longitude Use our Sentence Generator Nearby Words longissimus longish long in the tooth longing to longings longingly longitudes longitudinal longitudinally longitudinal study longitudinal wave longitudinal waves 9-letter Words Starting With l lo lon long longi longit longitu longitud