Celestial Navigation_ Time_ Sidereal Solar Day_ Part1
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7 سال پیش
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Sun as Timekeeper. Sidereal and
Sun as Timekeeper. Sidereal and Solar Day. Length of Solar day is approximately 4 minutes more than Sidereal day. Why Sidereal day is not used for civil purpose.
7 سال پیش
در تاریخ 1396/08/28 منتشر شده
است.
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