Lone Star Parson

God, Guns, Church & Country Life in Texas & Anything Else I Care to Think of.

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Showing posts with label latitude. Show all posts
Showing posts with label latitude. Show all posts
Wednesday, January 16, 2019

Navigation - Civilizations Before Our Own

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Perhaps we take the earth's coordinate grid system, if we think about it all, for granted. But not so fast. Calculating latitude, th...
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