How To Use Prime meridian In A Sentence

• The placement of the prime meridian is a purely political decision.
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• Paris was not the site of the world's first prime meridian.
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• That's the instant the sun is aligned with the degree line of longitude, or the prime meridian - also called the Greenwich Meridian.
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• By agreement, the longitude passing through Greenwich of Observatory is called the prime meridian.
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• Ptolemy was free, however, to lay his prime meridian, the zero-degree longitude line, wherever he liked.
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