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One. Longitude is derived from the Prime Meridian. Values are measured in relation to this Prime Meridian as East or West longitude. If you withdraw this constant, Prime, then values are given in Positive, Zero, and Negative.
The distance between degree's of longitude are also not exact from top to bottom. At the equator they are approx. 69 miles wide, as you go toward the poles they become smaller, with an example being at a Latitude of 45 degree's a degree of longitude is approx: 49miles wide.
These can also be more specific in Minutes and Seconds.
A good reference to obtain a better understanding would be:
http://nationalatlas.gov/articles/mapping/a_latlong.html
What else can I help you with?
The line measuring 0 degrees longitude is also called what?
prime meridian
The line of longitude used as the origin in the system of coordinates?
The line of longitude used as the origin in the system of coordinates is known as the Prime Meridian, which passes through Greenwich, London, England. It has a longitude of 0 degrees, and serves as the starting point for measuring east-west positions on Earth.
What is longitude means?
longitude: distance east or west on the earth's surface, measured in degrees from a certain meridian. (line from the North to the South Pole.)Or you can check out this website it has a lot on geography:See related link below
Where is the prime merridian?
The Prime Meridian is located at 0 degrees longitude and runs through the Royal Observatory in Greenwich, London, UK. It serves as the starting point for measuring longitude and divides the Earth into Eastern and Western Hemispheres.
What is an fact about the Greenwich Observatory?
The Royal Observatory in Greenwich, London is where the Prime Meridian (0 degrees longitude) is located, making it the reference point for the world's timekeeping. It was founded in 1675 by King Charles II as an astronomical observatory. Greenwich Mean Time (GMT) originated from this site.
What line of longitude lies directly opposite of 60 degrees west?
The line of longitude directly opposite 60 degrees west is 120 degrees east. Opposite longitudes are always 180 degrees apart on the globe.
How many degrees differences is there between each line of laditude and longitude?
10 degrees.
Where are lines of longitude farthest apart?
Lines of longitude are farthest apart at the equator and closest together at the poles. This is because the lines of longitude converge at the poles and spread apart at the equator due to the Earth's shape being an oblate spheroid.
Does 90 degrees west longitude have a name?
No. 90 degrees longitude is not a major line of longitude. Only 0 and 180 degrees longitude, which are the Greenwich Meridian and the International Date Line respectively, are major lines of longitude.
The line of longitude that is zero degrees longitude is the?
prime meridian :/
Is the prime meridian a line of latitude or a line of longitude?
The Prime Meridian is a line of longitude, and it sits at 0 degrees longitude.
What longitude is 59 degrees west of International Date line?
121 degrees east longitude
What longitude line is the prime meridian located?
The prime meridian is located at 0 degrees longitude.
What is the degree of difference between each line of latitude and longitude?
Firstly, different maps or atlases draw lines of latitude and longitude in varying degrees apart. Although most maps have differences of 10 degrees apart, atlases can be as close as 1 or 2 degrees. Secondly, you might be referring to the major lines of latitude and longitude, such as the Equator and the Prime Meridian. Some maps that are very small only show the major lines of latitude and longitude. The difference between the equator and the Tropics of Cancer and Capricorn is 23.5 degrees, while the difference between the equator and the Arctic and Antarctic Circles is 66.5 degrees. The difference between the Prime Meridian and the International Date Line is 180 degrees.
What degrees of longitude is the international date line on?
Whether travelling to the West or to the East from the Prime Meridian (zero Longitude) the International Date Line is 180 degrees Longitude.
What would be the line of longitude for a place that is west of the prime meridianhalfway between the prime meridian and the180 degrees line of longitude?
90 degrees 40 degrees and 90 degrees
Which line of longitude is found opposite of the Prime Meridian?
The major line of longitude located at 180 degrees longitude is the International Date Line.
