Circle of latitude can be calculated by a common sine or cosine function. The 60th parallel north or south is half as long as the Equator (disregarding Earth's minor flattening by 0.3%). A circle of latitude is perpendicular to all meridians. The latitude of the circle is approximately the angle between the Equator and the circle, with the angle's vertex at Earth's centre. The equator is at 0°, and the North Pole and South Pole are at 90° north and 90° south, respectively. The Equator is the longest circle of latitude and is the only circle of latitude which also is a great
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