Aviation Dictionary
شمال و جنوب جغرافیائی ، قطبهای جغرافیایی هستند که هر کدام فاصله ۹۰ درجهای با استوا دارند. هر سیاره دارای قطبهای جغرافیایی است.
Either end of the axis about which the earth rotates. All of the meridians of longitude cross at the north and south geographic poles. The north pole is located at latitude 90° north and the south pole is located at latitude 90° south. Directions measured from the geographic poles are true directions.