Template:دنن-ورځ-انځور/2007-08-30
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د نن ورځې انځور | |
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An animated image demonstrating the usage of a sextant, a measuring instrument generally used to measure the angle of elevation of a celestial object above the horizon. A common use of the sextant is to sight the sun at noon to find one's latitude. Image credit: Joaquim Alves Gaspar |