geodetic longitude
The angular distance between the prime meridian and another meridian passing through a point on the Earth's surface. Because the vertex of the angle is the center of the Earth, the same as for geocentric longitude, the value is the same for both types of longitude. Compare geocentric longitude.
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What are mnemonics? Whether or not you loved school, there are several fictitious figures you should thank for your education. Your Dear Aunt Sally, for example, as well as your Very Educated (or Excited, Eccentric, Elephantine) Mother, and Roy G. Biv. Also, be grateful that All Cows Eat Grass; those cows saved your ‘rhymes-with-grass’ in music class. Has this collection of relatives and cows sent you …
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The American Heritage® Science Dictionary
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