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The Prime Meridian is a line of longitude (0°). It goes through every north or south measurementbetween the north pole and the south pole, and no other lines of longitude cross it.
Meridians of constant longitude cross parallels of constant latitude. Parallels of constant latitude cross meridians of constant longitude. At each intersection of a meridian and a parallel, the lines are perpendicular (form 90° angles).
The Mississippi River meanders roughly south from its headwaters in Lake Itasca, Minnesota, at longitude 95 degrees west, to its mouth on the Gulf of Mexico at longitude 89 degrees west. . For the greater part of its length, it is within a hundred miles of longitude 90 degrees west.
The Arctic Ocean, the Arabian Sea, and the Indian Ocean, all cross the meridian of 60 degrees East longitude. It makes no difference where you are.
All parallels, or latitudes, cross 0 degrees longitude. 0 degrees longitude is the prime meridian. 0 degrees latitude, or parallel, is the equator
The Prime Meridian is a line of longitude (0°). It goes through every north or south measurementbetween the north pole and the south pole, and no other lines of longitude cross it.
Meridians of constant longitude cross parallels of constant latitude. Parallels of constant latitude cross meridians of constant longitude. At each intersection of a meridian and a parallel, the lines are perpendicular (form 90° angles).
The Prime Meridian doesn't cross any territory of India.
The Mississippi River meanders roughly south from its headwaters in Lake Itasca, Minnesota, at longitude 95 degrees west, to its mouth on the Gulf of Mexico at longitude 89 degrees west. . For the greater part of its length, it is within a hundred miles of longitude 90 degrees west.
Africa
-- Gulf of Guinea, south of Accra, Ghana -- Since everywhere on the equator is zero latitude, and everywhere on the Prime Meridian is zero longitude, the point that is common to both had better have the coordinates zero/zero .
The Arctic Ocean, the Arabian Sea, and the Indian Ocean, all cross the meridian of 60 degrees East longitude. It makes no difference where you are.
The point at which the equator (0° latitude) and the prime meridian (0° longitude) intersect has no real significane but it is in the Atlantic Ocean.
Lines of equal Latitude run parallel (ie never cross) East-West (such as the Equator) Lines of equal Longitude (Meridian) run North-South and cross at the Poles.
At the observatory in Greenwich, UK, one of the cross-hairs in the eye-piece of an old telescope used by Isaac Newton marks the position of the Prime Meridian which is at zero degrees of longitude.
All parallels, or latitudes, cross 0 degrees longitude. 0 degrees longitude is the prime meridian. 0 degrees latitude, or parallel, is the equator
The Prime Meridian, which passes through the Royal Observatory in Greenwich, England, is the zero point for the measurement of longitude. East of there, into Europe and on into Asia, it's "east longitude"; to the west, through Ireland, across the Atlantic and across the Americas, it is "west longitude". They meet each other at the 180 degree mark, which is pretty much in the middle of the Pacific Ocean. So if you are sailing west from Hawaii toward the Philippines, your longitude will increase. At some point you're going to cross 179 degrees 59 minutes of west longitude, sail another mile or so to 180 degrees of longitude (which is neither east nor west, or perhaps it's both!) and then sail another mile to 179 degrees, 59 minutes EAST longitude. From then on into Asia, your longitude will steadily decrease.