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Global map showing location of the Equator. Equatorial Africa is an ambiguous term that sometimes is used to refer either to the equatorial region of sub-Saharan Africa traversed by the Equator, [1] more broadly to tropical Africa or in a biological and geo-environmental sense to the intra-tropical African rainforest region.
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This makes the equator 0.16% longer than a meridian (a great circle passing through the two poles). The IUGG standard meridian is, to the nearest millimetre, 40,007.862917 kilometres (24,859.733480 mi), one arc-minute of which is 1,852.216 metres (6,076.82 ft), explaining the SI standardization of the nautical mile as 1,852 metres (6,076 ft ...
The 30th parallel south is a circle of latitude that is 30 degrees south of the Earth's equator.It stands one-third of the way between the equator and the South Pole and crosses Africa, the Indian Ocean, Australia, the Pacific Ocean, South America and the Atlantic Ocean.
In Africa, the parallel defines part of the border between Libya and Sudan. The 20th parallel north is a circle of latitude that is 20 degrees north of the Earth's equatorial plane . It crosses Africa , Asia , the Indian Ocean , the Pacific Ocean , North America , the Caribbean , and the Atlantic Ocean .
It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, Central America, the Caribbean, and the Atlantic Ocean. The parallel is particularly significant in the history of Vietnam (see below). At this latitude the sun is visible for 13 hours, 9 minutes during the summer solstice and 11 hours, 7 minutes during the winter solstice. [1]
With radius and great circle circumference equal to 6,371 km and 40,030 km respectively an RF of 1 / 300M , for which R = 2.12 cm and W = 13.34 cm, implies that a ruler measurement of 3 mm. in any direction from a point on the equator corresponds to approximately 900 km. The corresponding distances for latitudes 20°, 40°, 60° and 80 ...
In Africa, the parallel defines part of the border between Western Sahara and Mauritania. The 26th parallel north is a circle of latitude that is 26 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, North America, and the Atlantic Ocean.