Lines of Longitude (West): Difference between revisions

Revision as of 01:29, 30 January 2015

Earth Coordinates Map

Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda (λ). Points with the same longitude lie in lines running from the North Pole to the South Pole. By convention, one of these, the Prime Meridian, which passes through the Royal Observatory, Greenwich, England, was intended to establish the position of zero degrees longitude. The longitude of other places was to be measured as the angle east or west from the Prime Meridian, ranging from 0° at the Prime Meridian to +180° eastward and −180° westward. Specifically, it is the angle between a plane containing the Prime Meridian and a plane containing the North Pole, South Pole and the location in question. (This forms a right-handed coordinate system with the z axis (right hand thumb) pointing from the Earth's center toward the North Pole and the x axis (right hand index finger) extending from Earth's center through the equator at the Prime Meridian.)A location's north-south position along a meridian is given by its latitude, which is (not quite exactly) the angle between the local vertical and the plane of the Equator.

Longitude, Wikipedia

@@ Line 148: / Line 148: @@
 # [http://en.wikipedia.org/wiki/143rd_meridian_west 143rd meridian east]
 # [http://en.wikipedia.org/wiki/144th_meridian_west 144th meridian east]
-# [http://en.wikipedia.org/wiki/145th_meridian_east 145th meridian east]
+# [http://en.wikipedia.org/wiki/145th_meridian_west 145th meridian east]
-# [http://en.wikipedia.org/wiki/146th_meridian_east 146th meridian east]
+# [http://en.wikipedia.org/wiki/146th_meridian_west 146th meridian east]
-# [http://en.wikipedia.org/wiki/147th_meridian_east 147th meridian east]
+# [http://en.wikipedia.org/wiki/147th_meridian_west 147th meridian east]
-# [http://en.wikipedia.org/wiki/148th_meridian_east 148th meridian east]
+# [http://en.wikipedia.org/wiki/148th_meridian_west 148th meridian east]
-# [http://en.wikipedia.org/wiki/149th_meridian_east 149th meridian east]
+# [http://en.wikipedia.org/wiki/149th_meridian_west 149th meridian east]
-# [http://en.wikipedia.org/wiki/150th_meridian_east 150th meridian east]
+# [http://en.wikipedia.org/wiki/150th_meridian_west 150th meridian east]
-# [http://en.wikipedia.org/wiki/151st_meridian_east 151st meridian east]
+# [http://en.wikipedia.org/wiki/151st_meridian_west 151st meridian east]
-# [http://en.wikipedia.org/wiki/152nd_meridian_east 152nd meridian east]
+# [http://en.wikipedia.org/wiki/152nd_meridian_west 152nd meridian east]
-# [http://en.wikipedia.org/wiki/153rd_meridian_east 153rd meridian east]
+# [http://en.wikipedia.org/wiki/153rd_meridian_west 153rd meridian east]
-# [http://en.wikipedia.org/wiki/154th_meridian_east 154th meridian east]
+# [http://en.wikipedia.org/wiki/154th_meridian_west 154th meridian east]
-# [http://en.wikipedia.org/wiki/155th_meridian_east 155th meridian east]
+# [http://en.wikipedia.org/wiki/155th_meridian_west 155th meridian east]
-# [http://en.wikipedia.org/wiki/156th_meridian_east 156th meridian east]
+# [http://en.wikipedia.org/wiki/156th_meridian_west 156th meridian east]
-# [http://en.wikipedia.org/wiki/157th_meridian_east 157th meridian east]
+# [http://en.wikipedia.org/wiki/157th_meridian_west 157th meridian east]
-# [http://en.wikipedia.org/wiki/158th_meridian_east 158th meridian east]
+# [http://en.wikipedia.org/wiki/158th_meridian_west 158th meridian east]
-# [http://en.wikipedia.org/wiki/159th_meridian_east 159th meridian east]
+# [http://en.wikipedia.org/wiki/159th_meridian_west 159th meridian east]
-# [http://en.wikipedia.org/wiki/160th_meridian_east 160th meridian east]
+# [http://en.wikipedia.org/wiki/160th_meridian_west 160th meridian east]
-# [http://en.wikipedia.org/wiki/1601st_meridian_east 161st meridian east]
+# [http://en.wikipedia.org/wiki/1601st_meridian_west 161st meridian east]
-# [http://en.wikipedia.org/wiki/162nd_meridian_east 162nd meridian east]
+# [http://en.wikipedia.org/wiki/162nd_meridian_west 162nd meridian east]
-# [http://en.wikipedia.org/wiki/163rd_meridian_east 163rd meridian east]
+# [http://en.wikipedia.org/wiki/163rd_meridian_west 163rd meridian east]
-# [http://en.wikipedia.org/wiki/164th_meridian_east 164th meridian east]
+# [http://en.wikipedia.org/wiki/164th_meridian_west 164th meridian east]
-# [http://en.wikipedia.org/wiki/165th_meridian_east 165th meridian east]
+# [http://en.wikipedia.org/wiki/165th_meridian_west 165th meridian east]
-# [http://en.wikipedia.org/wiki/166th_meridian_east 166th meridian east]
+# [http://en.wikipedia.org/wiki/166th_meridian_west 166th meridian east]
-# [http://en.wikipedia.org/wiki/167th_meridian_east 167th meridian east]
+# [http://en.wikipedia.org/wiki/167th_meridian_west 167th meridian east]
-# [http://en.wikipedia.org/wiki/168th_meridian_east 168th meridian east]
+# [http://en.wikipedia.org/wiki/168th_meridian_west 168th meridian east]
-# [http://en.wikipedia.org/wiki/169th_meridian_east 169th meridian east]
+# [http://en.wikipedia.org/wiki/169th_meridian_west 169th meridian east]
-# [http://en.wikipedia.org/wiki/170th_meridian_east 170th meridian east]
+# [http://en.wikipedia.org/wiki/170th_meridian_west 170th meridian east]
-# [http://en.wikipedia.org/wiki/171st_meridian_east 171st meridian east]
+# [http://en.wikipedia.org/wiki/171st_meridian_west 171st meridian east]
-# [http://en.wikipedia.org/wiki/172nd_meridian_east 172nd meridian east]
+# [http://en.wikipedia.org/wiki/172nd_meridian_west 172nd meridian east]
-# [http://en.wikipedia.org/wiki/173rd_meridian_east 173rd meridian east]
+# [http://en.wikipedia.org/wiki/173rd_meridian_west 173rd meridian east]
-# [http://en.wikipedia.org/wiki/174th_meridian_east 174th meridian east]
+# [http://en.wikipedia.org/wiki/174th_meridian_west 174th meridian east]
-# [http://en.wikipedia.org/wiki/175th_meridian_east 175th meridian east]
+# [http://en.wikipedia.org/wiki/175th_meridian_west 175th meridian east]
-# [http://en.wikipedia.org/wiki/176th_meridian_east 176th meridian east]
+# [http://en.wikipedia.org/wiki/176th_meridian_west 176th meridian east]
-# [http://en.wikipedia.org/wiki/177th_meridian_east 177th meridian east]
+# [http://en.wikipedia.org/wiki/177th_meridian_west 177th meridian east]
-# [http://en.wikipedia.org/wiki/178th_meridian_east 178th meridian east]
+# [http://en.wikipedia.org/wiki/178th_meridian_west 178th meridian east]
-# [http://en.wikipedia.org/wiki/179th_meridian_east 179th meridian east]
+# [http://en.wikipedia.org/wiki/179th_meridian_west 179th meridian east]
-# [http://en.wikipedia.org/wiki/180th_meridian_east 180th meridian east]
+# [http://en.wikipedia.org/wiki/180th_meridian_west 180th meridian east]
 ==See Also==

Revision as of 01:29, 30 January 2015

West Lines

See Also