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2006-12-07 11:44:35 · 4 answers · asked by dakota 1 in Science & Mathematics Geography

4 answers

Northern hemishere of earth.

2006-12-07 11:47:19 · answer #1 · answered by Pearlsawme 7 · 0 0

The Tropic of Cancer (cancer is Latin for crab), or Northern tropic is one of the five major circles of latitude that mark maps of the Earth. It is the parallel of latitude that lies currently 23° 26′ 22″ north of the Equator.

It is the farthest northern latitude at which the sun can appear directly overhead, which occurs on the June solstice. North of this line is the subtropics and Northern Temperate Zone. The Tropic of Capricorn is at the opposite latitude south of the Equator. South of the Tropic of Cancer and north of the Tropic of Capricorn are the Tropics.

It is difficult to specify an exact location for both tropic circles because the obliquity of the ecliptic varies between 21.5° and 24.5° with a 41,000 year periodicity. Currently the mean value of the obliquity diminishes with 0.5" per year, resulting in a southwards shift of the Tropic of Cancer over the Earth surface with 15 metres per year. Together with a likewise northwards shift of the Tropic of Capricorn, this means that the mean area of the tropics reduces worldwide by 1100 square kilometres per year. In addition the apparent or real value of the obliquity is subject to extra variations due to the nutation, of which the mainterm with a period of 18.6 year has an amplitude of 9"21 (corresponding to almost 300 m north and south). And then there are still many smaller terms, resulting in daily varying shifts of some meters in any direction.

You could get more information from the link below...

2006-12-08 05:19:39 · answer #2 · answered by catzpaw 6 · 0 0

Northern hemisphere

The one in the southern hemisphere is the Tropic of Capricorn.

2006-12-09 10:27:37 · answer #3 · answered by Kevin F 4 · 0 0

Northern Hamisphere

2006-12-10 15:53:17 · answer #4 · answered by ♥KiYa♥ 3 · 0 0

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