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Line 1:
Line 1: − Imaginary lines that run north and south across the earth. They are used to measure east-west orientation, relative to a "prime meridian" set at 0 degrees. While in the past many meridians have been used, since 1884 the Greenwich Meridian has become the universal standard. <ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>+ − − ==References== − <references/>
Moving to "Longitude"
#REDIRECT [[Longitude]]