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The 10th parallel north is a circle of latitude that is 10 degrees north of the Earth's ... the maximum altitude of the sun is 103.44 degrees and 56.56 degrees on 21 ...
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).
The 10th parallel south is a circle of latitude that is 10 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America. Part of the border between Brazil and Peru is defined by the parallel.
The values below are for 10 January 2025: [2] Arctic Circle (66°33′50.3″ N) Tropic of Cancer (23°26′09.7″ N) Equator (0° latitude) Tropic of Capricorn (23°26′09.7″ S) Antarctic Circle (66°33′50.3″ S) These circles of latitude, excluding the Equator, mark the divisions between the five principal geographical zones.
A geographical mile is defined to be the length of one minute of arc along the equator (one equatorial minute of longitude) therefore a degree of longitude along the equator is exactly 60 geographical miles or 111.3 kilometers, as there are 60 minutes in a degree. The length of 1 minute of longitude along the equator is 1 geographical mile or 1 ...
A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2] [3] [4] Historically, it was defined as the meridian arc length corresponding to one minute ( 1 / 60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360 degrees).
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"Mean latitude" is labeled and calculated as follows: = +. Unless specified otherwise, the radius of the Earth for the calculations below is: = 6,371.009 kilometers = 3,958.761 statute miles = 3,440.069 nautical miles.