Multimedia Gallery
- Navigation Methods: Celestial Navigation
Striking green ornaments made by the Maori were created from a kind of jade.
A horary quadrant is used to find the time of day by measuring the Sun’s altitude.
The U.S. Exploring Expedition included a formidable group of botanists, naturalists, artists, taxidermists, and other scientists.
This sketch shows how the images of a star field and a globe were superimposed over what the astronaut observed through the window.
James Lovell looks through the telescope in the Apollo 8 command module.
The U.S. Exploring Expedition included a formidable group of botanists, naturalists, artists, taxidermists, and other scientists.
Portrait of John Harrison by James King, about 1766.
A navigator of Squadron VP-7 demonstrates a Kaster Spherant in the nose of a Douglas PD-1, December 1929.
Kingfishers, Fiji (Todiramphus vitiensis)
The periscopic sextant eliminated the need for astrodomes.