Longitude (/ˈlɒndʒɪtjuːd/, AU and UK also /ˈlɒŋɡɪ-/) is a geographic coordinate that specifies the east–west position of a point on the surface of the...

measuring and communicating positions directly on Earth as latitude and longitude. It is the simplest, oldest and most widely used of the various spatial...

In celestial mechanics, true longitude is the ecliptic longitude at which an orbiting body could actually be found if its inclination were zero. Together...

Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is a 1995 best-selling book by Dava Sobel about John...

celestial body. Longitude may also refer to: Longitude rewards, a British inducement prize for a solution to the longitude problem Longitude, a book by Dava...

Solar longitude, commonly abbreviated as Ls, is the ecliptic longitude of the Sun, i.e. the position of the Sun on the celestial sphere along the ecliptic...

celestial mechanics, the longitude of the periapsis, also called longitude of the pericenter, of an orbiting body is the longitude (measured from the point...

history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude of any...

Mean longitude is the ecliptic longitude at which an orbiting body could be found if its orbit were circular and free of perturbations. While nominally...

The Longitude Act 1714 was an Act of Parliament of Great Britain passed in July 1714 at the end of the reign of Queen Anne. It established the Board of...

The longitude of the ascending node (symbol ☊) is one of the orbital elements used to specify the orbit of an object in space. It is the angle from a...

ship's longitude at sea. The prizes, established through an Act of Parliament (the Longitude Act) in 1714, were administered by the Board of Longitude. This...

The Cessna Citation Longitude is a business jet produced by Cessna, part of the Cessna Citation family. It remains the largest business jet by Cessna...

Longitude Festival is a music festival that takes place during July every year in Dublin, Ireland. Since 2013, Marlay Park has been home to the festival...

Longitude by chronometer is a method, in navigation, of determining longitude using a marine chronometer, which was developed by John Harrison during...

The Commissioners for the Discovery of the Longitude at Sea, or more popularly Board of Longitude, was a British government body formed in 1714 to administer...

The Longitude Prize is an inducement prize contest offered by Challenge Works, a social enterprise which was historically part of Nesta, a British lottery...

Longitude is a 2000 TV drama produced by Granada Television and the A&E Network for Channel 4, first broadcast between 2 and 3 January 2000 in the UK...

an arbitrarily-chosen meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian...

Longitude 131° is a luxury resort located just outside the UNESCO World Heritage-listed Uluṟu-Kata Tjuṯa National Park, within 10 kilometres (6.2 mi)...

and west of the prime meridian in a geographical coordinate system. The longitude at this line can be given as either east or west. On Earth, the prime...

Apparent longitude is celestial longitude corrected for aberration and nutation as opposed to mean longitude. Apparent longitude is used in the definition...

geography and geodesy, a meridian is the locus connecting points of equal longitude, which is the angle (in degrees or other units) east or west of a given...

called the International Reference Meridian, is the prime meridian (0° longitude) maintained by the International Earth Rotation and Reference Systems...

(secondary coordinates) The meridian 169° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, the Pacific...

(secondary coordinates) The meridian 175° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Pacific...

between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep...

(secondary coordinates) The meridian 80° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian...

equator from the Galactic Center. Analogous to terrestrial longitude, galactic longitude is usually measured in degrees (°). Latitude (symbol b) measures...

Longitudes and Attitudes: Exploring the World After September 11 (reprinted as Longitudes and Attitudes: The World in the Age of Terrorism in 2003) is...