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Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.As explained by Cleomedes, Posidonius observed Canopus on but never above the horizon at Rhodes, while at Alexandria he saw it ascend as far as 7 + 1 ⁄ 2 degrees above the horizon (the meridian arc between the latitude of the two locales is actually 5 degrees 14 minutes).
1.280 km – span of the Golden Gate Bridge (distance between towers) [138] 1.609 km – 1 statute mile; 1.852 km – 1 nautical mile, equal to 1 arcminute of latitude at the surface of the Earth [139] 1.991 km – span of the Akashi Kaikyō Bridge [140] 2.309 km – axial length of the Three Gorges Dam, the largest dam in the world located in ...
It has a nearly round shape with the diameter varying between 11 and 18 km (6.8 and 11.2 mi) and giving an average value of 15 km (9.3 mi). [ 5 ] [ 14 ] The shores are winding and contain many small bays; there are many small sandy islands ( noko ), rocks and coral reefs off the coast with the size up to 600 m (2,000 ft). [ 3 ]
The appropriate decimal places are used, [1] negative values are given using a hyphen-minus character. [2] The designation of a location as, for example [54.1855,-2.9857] means that it is potentially computer searchable and that it can be located by a generally (open) referencing system such as Google Earth or OpenStreetMap .
With this value for R the meridian length of 1 degree of latitude on the sphere is 111.2 km (69.1 statute miles) (60.0 nautical miles). The length of one minute of latitude is 1.853 km (1.151 statute miles) (1.00 nautical miles), while the length of 1 second of latitude is 30.8 m or 101 feet (see nautical mile).
Padang Panjang (sometimes written as Padangpanjang, and spelt as Padang Pandjang in Dutch East Indies era, lit. ' long field ', Jawi: ڤادڠ ڤنجڠ ), is a city located at in the cool highlands of West Sumatra, around 80 Km inland from the provincial capital Padang
The kilometre (SI symbol: km; / ˈ k ɪ l ə m iː t ər / or / k ɪ ˈ l ɒ m ə t ər /), spelt kilometer in American and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo-being the SI prefix for 1000).
Derajat (Urdu: ڈیرہ جات, the plural of the word 'dera' lit. ' Camps ') [1] [2] is a historical and cultural region in central Pakistan, bounded by the Indus River to the east and the Sulaiman Mountains to the west. It is located in the area where the provinces of Punjab, Khyber Pakhtunkhwa, and Balochistan meet. [3] [4]