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The North/South lines on the geographic grid are named 'Lines of Longitude' or 'Meridians'.

The 'Zero' line passes through Greenwich Observatory in London, England. This position was fixed historically, some 350 years ago, by Astronomers and navigators of the day, and has remained so to this day.

The 180 degrees line of longitude passes through the Pacific Ocean, and for most of its course it is also the International Date Line.

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lenpollock

Lvl 17
1y ago

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