noun
definition
Angular distance measured west or east of the prime meridian.
definition
Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.
definition
Length.
Examples of longitude in a Sentence
Treating the earth as a sphere, the meridians of longitude are all great circles.
There is one set of numbers he changes for the time and he can set the location somehow by longitude and latitude.
Marinus was the first who laid down the position of places on a projection according to their latitude and longitude, but the projection used by him was of the rudest.
The longitude of Darchendo, or Tachienlu, on the extreme east, may be accepted as another obligatory point.
It marks the first meridian of longitude in Hindu geography.
The Mediterranean occupies nearly half the inhabited world in longitude, and the east coast of Africa is shown as if it extended due east.
Today we crossed the line in west longitude (Sunday ). 9 Sep 1857.
The boundary line corresponded to the both degree of longitude west of Greenwich, which strikes the main ' The exact position has been disputed.
It is a mighty river, rising in the Rocky Mountains, and crossing eighteen degrees of longitude.
Longitude moved east and west from the prime meridian.
Mudge made three chronometers, tho Maskelyne managed to break the first one of them, and received 3000 from the Board of Longitude.
The Astronomical Almanac reports the galactic longitude of the object in decimal degrees.
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In astronomy the "mean sun" is a fictitious sun which moves uniformly in the celestial equator and has its right ascension always equal to the sun's mean longitude.
In 1784 Virginia agreed to the extension of the line and to the establishment of the western limit (the present boundary between Pennsylvania and Ohio) as the meridian from a point on the Mason and Dixon line five degrees of longitude west of the Delaware river.
Although the longitude of the fictitious planet at the fictitious time is then equal to that of the true planet at the true time, their radii vectores will not be strictly equal.
He was one of the founders of the Ecole Polytechnique, and shared in the establishment of the Institute of France; the adoption of the metric system and the foundation of the bureau of longitude were also due to his efforts.
They are deeply separated by religious differences, and their mutual jealousies, their inordinate vanity, English Miles 0 5 io 20 30 40 50 Railways Capitals of Vilayets &c. C Longitude East 42 of Greenwich their versatility and their cosmopolitan character must always be an obstacle to the realization of the dreams of the nationalists.
The map of Marinus was accompanied by a list of places arranged according to latitude and longitude.
The ocean separating Europe from he was dependent upon dead reckoning, for although various methods for determining a longitude were known, the available astronomical ephemerides were not trustworthy, and errors of 30 in longitude were by no means rare.
The "mean longitude" of a planet is the longitude of the "mean" planet, i.e.
The time of transit of the sun or star across the vertical wire of the telescope having been observed by means of a chronometer of which the error is known, it is possible to calculate the azimuth of the sun or star, if the latitude and longitude, of the place of observation are given.
After each name are given the longitude, latitude, "climate," spelling, and then observations generally taken from earlier authors.
Plana (1781-1864), effected the integration by expressing the time in terms of the moon's true longitude.
The expressions for the longitude, latitude `and parallax appear as an infinite trigonometric series, in which the coefficients of the sines and cosines are themselves infinite series proceeding according to the powers of the above small numbers.
The continent of Asia stretches two arms into the Pacific Ocean, Kamchatka in the north and Malacca in the south, between which lies a long cluster of islands constituting the Japanese empire, which covers 370 14 of longitude and 29 II of latitude.
After great suffering Hsiian Tsang reached Igu, the seat of a Turkish principality, and pursued his way along the southern foot of the T'ian-shan, which he crossed by a glacier pass (vividly described) in the longitude of Lake Issyk-kul.
From Manyanga the frontier was to follow the Congo up to Stanley Pool, the median line of Stanley Pool, and the Congo again "up to a point to be settled above the river Licona-Nkundja," from which point a line was to be drawn to the 17th degree of longitude east of Greenwich, following as closely as possible the water-parting of the Licona-Nkundja basin.
The treatise on "Mechanics" in Lardner's Cyclopaedia was partly written by him; and his interest in more purely astronomical questions was evidenced by two communications to the Astronomical Society's Memoirs for 1831-1833 - the one on an observation of Saturn's outer ring, the other on a method of determining longitude by means of lunar eclipses.
But in every case, if at a certain time t, the actual planet has a certain longitude, it is certain that at a very short interval dt before or after t, the fictitious planet will have this same longitude.
Assuming the mean motion of the moon to be known and the perigee to be fixed, three eclipses, observed in different points of the orbit, would give as many true longitudes of the moon, which longitudes could be employed to determine three unknown quantities - the mean longitude at a given epoch, the eccentricity, and the position of the perigee.
Then, by inverting the series, the longitude was expressed in terms of the time.
The north-eastern monsoon sweeps up the valley of the Ganges from the Bay of Bengal and waters the northern part of Rajputana, but hardly penetrates farther west than the longitude of Ajmere.
King Charles II founded the Royal Observatory in 1675 to solve the problem of finding longitude at sea.
For generally northbound or southbound aircraft, latitude is to be expressed in degrees only, longitude in degrees and minutes.
Thus, any triangle of velocities could not direct a small passerine into our longitude.
For this is where the earth's prime meridian, the line of zero degrees longitude, originates.
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Gulf of Gabes I o g Lemg.W.of Greenwicir 0 Longitude East of Greenwich B 4 D very complete sequence of formations from the Lias to those of recent date.
In 1755 he submitted to the English government an amended body of MS. tables, which James Bradley compared with the Greenwich observations, and found to be sufficiently accurate to determine the moon's place to 75", and consequently the longitude at sea to about half a degree.
Appended to the London edition of the solar and lunar tables are two short tracts - the one on determining longitude by lunar distances, together with a description of the repeating circle (invented by Mayer in 1752), the other on a formula for atmospheric refraction, which applies a remarkably accurate correction for temperature.
The zone between Burma and Siam, established by an agreement between Great Britain and France dated the 15th of January 1896, declared " the portion of Siam which is comprised within the drainage basin of the Menam, and of the coast streams of a corresponding longitude," neutral as between them.
From 1852 to 1867 he was in charge of the longitude department of the United States coast survey; he developed and organized the service, was one of the first to determine longitudes by telegraphic means, and employed the Atlantic cable in 1866 to establish longitude-relations between Europe and America.
Canals of Greenwich 88 Longitude West important cities are Ottawa (the capital of the Dominion) (59,9 28 in 1 9 01), Hamilton (52,634), London (37,981), Kingston (17,961).
In the southern hemisphere there is comparatively little inhabited land in high latitudes and observational data are few; thus little is known as to how the frequency varies with latitude and longitude.
Longitude East 12 0 of Greenwich distance on the south where it is conterminous with the Spanish Muni river settlement.