Latitude ( or ). It is measured in degrees, minutes and seconds or decimal degrees, north or south of the equator. The precise measurement of latitude requires an understanding of the gravitational field of the Earth, either to set up theodolites or to determine GPS satellite orbits. The study of the figure of the Earth together with its gravitational field is the science of geodesy. This article relates to coordinate systems for the Earth: it may be extended to cover the Moon, planets and other celestial objects by a simple change of nomenclature. The graticule is formed by the lines of
The Longest Day (Land of the Lost) the Library. On the way back to High Bluff, the Marshalls run into a band of hunting Sleestak, but the Sleestak do not attack and instead return Rick's knife, suggesting that despite his failure to recall what happened, Rick must have made a deal with the Sleestak that was fulfilled by his repair of the Pylon's matrix table. Will was actually seen in the uniform of a U.S. Army soldier from the First World War, not the uniform of a soldier of the Confederate States of America. The Longest Day (Land of the Lost) "The Longest Day" is the seventh