prime meridian

Virginia García -CEIP El Recreo-Virginia García -CEIP El Recreo-

PRIME MERIDIAM OF PRIME MERIDIAM OF THE WORLDTHE WORLD


What is the Meridian Line?What is the Meridian Line? The Meridian Line The Meridian Line

is an imaginary is an imaginary line which runs line which runs from the from the NorthNorth PolePole to the to the SouthSouth PolePole. .


For many years, different countries For many years, different countries measured measured longitudelongitude from different from different meridians. The French and Algerians, for meridians. The French and Algerians, for example, used the Paris Meridian; the example, used the Paris Meridian; the Spanish measured from one that passed Spanish measured from one that passed through Isla del Hierro . By the 1880s, through Isla del Hierro . By the 1880s, many people could see the advantages of many people could see the advantages of measuring from a single meridian. measuring from a single meridian.


The imaginary line that separates East The imaginary line that separates East and West is the Prime Meridian. The and West is the Prime Meridian. The Prime Meridian passes through Prime Meridian passes through Greenwich, England. Greenwich, England.


By international By international convention it runs convention it runs through "the primary through "the primary transit" instrument transit" instrument (main telescope) at (main telescope) at the Royal the Royal Observatory in Observatory in Greenwich.Greenwich.


Why does the Prime Meridian (Zero Longitude) Why does the Prime Meridian (Zero Longitude) pass through Greenwich?pass through Greenwich?

The International Meridian Conference The International Meridian Conference took place in October 1884 in Washington took place in October 1884 in Washington DC. Twenty-five nations were represented DC. Twenty-five nations were represented at the conference by 41 delegates. The at the conference by 41 delegates. The Greenwich Meridian was chosen to Greenwich Meridian was chosen to become the Prime Meridian of the World. become the Prime Meridian of the World. There were several reasons for this; the There were several reasons for this; the main one being that nearly two thirds of main one being that nearly two thirds of the World's ships were already using the World's ships were already using charts based on it. charts based on it.


How long is the Prime Meridian? How long is the Prime Meridian?

From Pole to Pole, the Prime Meridian From Pole to Pole, the Prime Meridian covers a distance of 20,000 km. covers a distance of 20,000 km.


Which countries does the Prime Which countries does the Prime Meridian pass through? Meridian pass through?

In the Northern Hemisphere, the Prime In the Northern Hemisphere, the Prime Meridian passes through the UK, France Meridian passes through the UK, France and Spain in Europe and Algeria, Mali, and Spain in Europe and Algeria, Mali, Burkina, Faso, Tongo and Ghana in Africa. Burkina, Faso, Tongo and Ghana in Africa.

The only landmass crossed by the The only landmass crossed by the Meridian in the Southern Hemisphere is Meridian in the Southern Hemisphere is Antarctica. Antarctica.


Who Am I? Who Am I? I'm the Prime I'm the Prime

Meridian!Meridian!

prime meridian

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