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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 Harrison, an 18th-century clockmaker who created the first clock ( chronometer) sufficiently accurate to be used to determine longitude at sea—an important development in navigation.
John Harrison (3 April [ O.S. 24 March] 1693 – 24 March 1776) was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea. Harrison's solution revolutionized navigation and greatly increased the safety of long-distance sea travel.
Gulf of the Ganges ( Bay of Bengal) left, Southeast Asian peninsula in the center, South China Sea right, with "Sinae" (China). The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy 's book Geography, written c. 150. Based on an inscription in several ...
In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane. [ 1][ 2][ 3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [ 4][ 5 ...
Jaipur ( / ˈdʒaɪpʊər / ⓘ, Hindi: [ˈdʒeəpʊr]) is the capital and the largest city of the north-western Indian state of Rajasthan. As of 2011, the city has a population of 3.1 million, making it the tenth most populous city in the country. Located 268 km (167 miles) from the national capital New Delhi, Jaipur is also known as the Pink ...
Launch Complex 39A (LC-39A) is the first of Launch Complex 39's three launch pads, located at NASA's Kennedy Space Center in Merritt Island, Florida.The pad, along with Launch Complex 39B, was first constructed in the 1960s to accommodate the Saturn V launch vehicle, and has been used to support NASA crewed space flight missions, including the historic Apollo 11 moon landing and the Space Shuttle.
The history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude of any given place on Earth. The measurement of longitude is important to both cartography and navigation. In particular, for safe ocean navigation, knowledge of both latitude and longitude ...
Reward (s) £10 million. Website. www .longitudeprize .org. The Longitude Prize is an inducement prize contest offered by Challenge Works, a social enterprise which was historically part of Nesta, a British lottery funded charity, in the spirit of the 18th-century Longitude rewards. [1]