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The 4th parallel south is a circle of latitude that is 4 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Southeast Asia, Australasia, the Pacific Ocean and South America.
The numerical values for latitude and longitude can occur in a number of different units or formats: [2] sexagesimal degree: degrees, minutes, and seconds : 40° 26′ 46″ N 79° 58′ 56″ W; degrees and decimal minutes: 40° 26.767′ N 79° 58.933′ W; decimal degrees: +40.446 -79.982; There are 60 minutes in a degree and 60 seconds in a ...
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Geographical distance or geodetic distance is the distance measured along the surface of the Earth, or the shortest arch length.. The formulae in this article calculate distances between points which are defined by geographical coordinates in terms of latitude and longitude.
Degree precision versus length decimal places decimal degrees DMS Object that can be unambiguously recognized at this scale N/S or E/W at equator E/W at 23N/S E/W at 45N/S E/W at 67N/S 0 1.0: 1° 00′ 0″ country or large region: 111 km: 102 km: 78.7 km: 43.5 km 1 0.1: 0° 06′ 0″ large city or district: 11.1 km: 10.2 km: 7.87 km: 4.35 km ...
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).
For comparison, dotted lines denote corresponding lengths assuming a spherical Earth of IUGG mean radius (R 1 = 6,371.0088 km). For example, the green arrows show that Donetsk (green circle) at 48°N has a Δ long of 74.63 km/deg, 1.244 km/arcmin, 20.73 m/arcsec etc and a Δ lat of 111.2 km/deg, 1.853 km/arcmin, 30.89 m/arcsec etc.
The 4th parallel north is a circle of latitude that is 4 degrees north of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Southeast Asia, the Pacific Ocean, and South America.