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Template:POTD/2007-08-30
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2007 August
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Picture of the day
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
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