Definition of "celestial navigation" [celestial navigation]

• Navigation of a ship or aircraft based on the positions of celestial bodies. Also called astronavigation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The Original Seven astronauts learned much of their celestial navigation at the domed Morehead Planetarium, built in 1949 on the campus of the University of North Carolina at Chapel Hill by alumnus John Motley Morehead III the inventor of a new process for manufacturing calcium carbide and a founder of Union Carbide."