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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.
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.
= 6,371.009 kilometers = 3,958.761 statute miles = 3,440.069 nautical miles. D {\displaystyle D_{\,}\!} = Distance between the two points, as measured along the surface of the Earth and in the same units as the value used for radius unless specified otherwise.
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.
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).
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).
5 mph F 8 km/h C Wind. 11 ... 20-30 vehicles collide in whiteout conditions along major Northwest freeway. ... around 20 miles southeast of Oakland, the USGS reported.
Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices. Decimal degrees are an alternative to using degrees-minutes-seconds notation. As with ...