| navigation by means of observations made of the apparent position of heavenly bodies. |
as·tro·nav·i·ga·tion (ās'trō-nāv'ĭ-gā'shən) n. See celestial navigation. as'tro·nav'i·ga'tor n. |
| celestial navigation n. Navigation of a ship or aircraft based on the positions of celestial bodies. Also called astronavigation. |
| celestial navigation
Navigation of a ship or aircraft based on the observed positions of celestial bodies. See more at altazimuth coordinate system. |