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Prime Meridian



      an imaginary line on Earth that passes north to south through the Greenwich
      Observatory in London, England


The prime meridian divides Earth into the Eastern Hemisphere and the Western Hemisphere.

The prime meridian is at 0° (0 degrees) longitude.



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Globe with lines of longitude and latitude
The prime meridian is the line drawn north to south at 0° (0 degrees) longitude.
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Page Last Updated: October 9th, 2014
Page Editor: Sandra May