Civil Twilight

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Joe (Talk | contribs)
(New page: The time between the moment of sunset, when the sun's apparent upper edge is just at the horizon, until the center of the sun is 6° directly below the horizon.)
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Revision as of 19:36, 12 April 2009

The time between the moment of sunset, when the sun's apparent upper edge is just at the horizon, until the center of the sun is 6° directly below the horizon.

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