An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Moon's prime meridian
  نیمروزان ِ نخستی ِ مانگ  
nimruzân-e naxosti-ye Mâng
Fr.: méridien origine de la lune  

The line connecting the Moon’s north pole with its south pole, and passing through the center of the lunar disk. The longitude of the Moon’s prime meridian is zero degrees.

See also: → Moon; → prime meridian.