ocr: Navigation is the art and science of directing a vessel from one place to another. Ancient techniques of navigation have been lost. Before the 10th century AD when the magnetic compass appeared, ancient sailors could not venture out of sight ofl land without the risk of getting lost. It was not until the 1730s and the invention ofthe SEXTANT and CHRONOMETER that - Latitude andLongitude could be determined with any accuracy. Thus, a new age of navigation and exploration began. Asystem basedon Degrees is used in navigation oft the globe. Latitude andl Longitude are a coordinate system usedt to l ...
